2x+7-4x=142

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Solution for 2x+7-4x=142 equation:


Simplifying
2x + 7 + -4x = 142

Reorder the terms:
7 + 2x + -4x = 142

Combine like terms: 2x + -4x = -2x
7 + -2x = 142

Solving
7 + -2x = 142

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -2x = 142 + -7

Combine like terms: 7 + -7 = 0
0 + -2x = 142 + -7
-2x = 142 + -7

Combine like terms: 142 + -7 = 135
-2x = 135

Divide each side by '-2'.
x = -67.5

Simplifying
x = -67.5

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