63+77=x

Solution for 63+77=x equation:

Simplifying
63 + 77 = x

Combine like terms: 63 + 77 = 140
140 = x

Solving
140 = 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.
140 + -1x = x + -1x

Combine like terms: x + -1x = 0
140 + -1x = 0

Add '-140' to each side of the equation.
140 + -140 + -1x = 0 + -140

Combine like terms: 140 + -140 = 0
0 + -1x = 0 + -140
-1x = 0 + -140

Combine like terms: 0 + -140 = -140
-1x = -140

Divide each side by '-1'.
x = 140

Simplifying
x = 140