90-29=x

Solution for 90-29=x equation:

Simplifying
90 + -29 = x

Combine like terms: 90 + -29 = 61
61 = x

Solving
61 = x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
61 + -1x = x + -1x

Combine like terms: x + -1x = 0
61 + -1x = 0

Add '-61' to each side of the equation.
61 + -61 + -1x = 0 + -61

Combine like terms: 61 + -61 = 0
0 + -1x = 0 + -61
-1x = 0 + -61

Combine like terms: 0 + -61 = -61
-1x = -61

Divide each side by '-1'.
x = 61

Simplifying
x = 61