120-2x=43+20

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Solution for 120-2x=43+20 equation:


Simplifying
120 + -2x = 43 + 20

Combine like terms: 43 + 20 = 63
120 + -2x = 63

Solving
120 + -2x = 63

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + -2x = 63 + -120

Combine like terms: 120 + -120 = 0
0 + -2x = 63 + -120
-2x = 63 + -120

Combine like terms: 63 + -120 = -57
-2x = -57

Divide each side by '-2'.
x = 28.5

Simplifying
x = 28.5

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