180-78=x

Solution for 180-78=x equation:

Simplifying
180 + -78 = x

Combine like terms: 180 + -78 = 102
102 = x

Solving
102 = 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.
102 + -1x = x + -1x

Combine like terms: x + -1x = 0
102 + -1x = 0

Add '-102' to each side of the equation.
102 + -102 + -1x = 0 + -102

Combine like terms: 102 + -102 = 0
0 + -1x = 0 + -102
-1x = 0 + -102

Combine like terms: 0 + -102 = -102
-1x = -102

Divide each side by '-1'.
x = 102

Simplifying
x = 102