42-5x=-120-7x

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Solution for 42-5x=-120-7x equation:


Simplifying
42 + -5x = -120 + -7x

Solving
42 + -5x = -120 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
42 + -5x + 7x = -120 + -7x + 7x

Combine like terms: -5x + 7x = 2x
42 + 2x = -120 + -7x + 7x

Combine like terms: -7x + 7x = 0
42 + 2x = -120 + 0
42 + 2x = -120

Add '-42' to each side of the equation.
42 + -42 + 2x = -120 + -42

Combine like terms: 42 + -42 = 0
0 + 2x = -120 + -42
2x = -120 + -42

Combine like terms: -120 + -42 = -162
2x = -162

Divide each side by '2'.
x = -81

Simplifying
x = -81

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