Start with the bracket:

\((x + 54) - 28 = 69\).

Reverse the subtraction of 28 by adding 28 to both sides:

\(x + 54 = 69 + 28 = 97\).

Now reverse the addition of 54 by subtracting 54:

\(x = 97 - 54 = 43\).

Answer: 43

First reverse the multiplication by 2 by dividing both sides by 2:

\(x + 120 = 320 \div 2 = 160\).

Now reverse the addition of 120 by subtracting 120:

\(x = 160 - 120 = 40\).

Answer: 40

Reverse the addition of 75 by subtracting 75 from both sides:

\(\dfrac{25}{x} = 80 - 75 = 5\).

Now solve for \(x\).

\(\dfrac{25}{x} = 5\) means \(25 = 5x\).

Reverse the multiplication by 5 by dividing by 5:

\(x = 25 \div 5 = 5\).

Answer: 5

From \(\dfrac{y/2}{17} = 2\) multiply both sides by 17:

\(\dfrac{y}{2} = 2 \times 17 = 34\).

Now reverse the division by 2 by multiplying by 2:

\(y = 34 \times 2 = 68\).

Answer: 68

Reverse the subtraction of 15 by adding 15 to both sides:

\(35 + y = 56 + 15 = 71\).

Now reverse the addition of 35 by subtracting 35:

\(y = 71 - 35 = 36\).

Answer: 36

First expand the bracket:

\(87 + 32 - x = 93\) so \(119 - x = 93\).

Reverse the subtraction of \(x\) by subtracting 119 from both sides:

\(-x = 93 - 119 = -26\).

Now reverse the negative sign by multiplying by \(-1\):

\(x = 26\).

Answer: 26

Simplify first:

\(69 + 87 - n = 103\) so \(156 - n = 103\).

Subtract 156 from both sides:

\(-n = 103 - 156 = -53\).

Multiply by \(-1\) to find \(n\):

\(n = 53\).

Answer: 53

Reverse the subtraction of 23 by adding 23 to both sides:

\(\dfrac{120}{y} = 17 + 23 = 40\).

Now solve for \(y\).

\(\dfrac{120}{y} = 40\) means \(120 = 40y\).

Divide both sides by 40:

\(y = 120 \div 40 = 3\).

Answer: 3

Subtract 65 from both sides:

\(-5z = 30 - 65 = -35\).

Now divide both sides by \(-5\):

\(z = -35 \div (-5) = 7\).

Answer: 7

Expand the bracket:

\(634 - 156 + x = 548\).

So \(478 + x = 548\).

Reverse the addition of 478 by subtracting 478:

\(x = 548 - 478 = 70\).

Answer: 70

Combine the numbers first:

\(12 + x + 27 = 83\) so \(x + 39 = 83\).

Reverse the addition of 39 by subtracting 39:

\(x = 83 - 39 = 44\).

Answer: 44

Expand the bracket:

\(61 - x - 15 = 30\) so \(46 - x = 30\).

Subtract 46 from both sides:

\(-x = 30 - 46 = -16\).

Multiply by \(-1\):

\(x = 16\).

Answer: 16

Reverse the multiplication by 8 by dividing both sides by 8:

\(48 + k = 400 \div 8 = 50\).

Now reverse the addition of 48 by subtracting 48:

\(k = 50 - 48 = 2\).

Answer: 2

Reverse the subtraction of 12 by adding 12 to both sides:

\(3(x + 1) = 24 + 12 = 36\).

Now reverse the multiplication by 3 by dividing by 3:

\(x + 1 = 36 \div 3 = 12\).

Reverse the addition of 1 by subtracting 1:

\(x = 12 - 1 = 11\).

Answer: 11

Reverse the addition of 9 by subtracting 9:

\(\dfrac{45}{17 - x} = 24 - 9 = 15\).

Now solve the fraction equation.

\(\dfrac{45}{17 - x} = 15\) means \(45 = 15(17 - x)\).

Divide both sides by 15:

\(3 = 17 - x\).

Reverse the subtraction by 17:

\(x = 17 - 3 = 14\).

Answer: 14

Reverse the addition of 22 by subtracting 22:

\(\dfrac{54}{x - 16} = 31 - 22 = 9\).

So \(54 = 9(x - 16)\).

Divide both sides by 9:

\(6 = x - 16\).

Add 16 to both sides:

\(x = 6 + 16 = 22\).

Answer: 22

Add 7 to both sides to reverse the subtraction:

\(2(45 - x) = 45 + 7 = 52\).

Divide both sides by 2:

\(45 - x = 26\).

Subtract 45 from both sides:

\(-x = 26 - 45 = -19\).

Multiply by \(-1\):

\(x = 19\).

Answer: 19

Multiply both sides by \(x - 6\):

\(812 = 4(x - 6)\).

Divide both sides by 4:

\(203 = x - 6\).

Add 6 to both sides:

\(x = 203 + 6 = 209\).

Answer: 209

Reverse the division by 12 by multiplying both sides by 12:

\(x - 56 = 37 \times 12 = 444\).

Now add 56 to both sides:

\(x = 444 + 56 = 500\).

Answer: 500