20-(-50)=x

Solution for 20-(-50)=x equation:

Simplifying
20 + -1(-50) = x

Multiply -1 * -50
20 + 50 = x

Combine like terms: 20 + 50 = 70
70 = x

Solving
70 = 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.
70 + -1x = x + -1x

Combine like terms: x + -1x = 0
70 + -1x = 0

Add '-70' to each side of the equation.
70 + -70 + -1x = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -1x = 0 + -70
-1x = 0 + -70

Combine like terms: 0 + -70 = -70
-1x = -70

Divide each side by '-1'.
x = 70

Simplifying
x = 70