2x+142=9x-12

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Solution for 2x+142=9x-12 equation:


Simplifying
2x + 142 = 9x + -12

Reorder the terms:
142 + 2x = 9x + -12

Reorder the terms:
142 + 2x = -12 + 9x

Solving
142 + 2x = -12 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
142 + 2x + -9x = -12 + 9x + -9x

Combine like terms: 2x + -9x = -7x
142 + -7x = -12 + 9x + -9x

Combine like terms: 9x + -9x = 0
142 + -7x = -12 + 0
142 + -7x = -12

Add '-142' to each side of the equation.
142 + -142 + -7x = -12 + -142

Combine like terms: 142 + -142 = 0
0 + -7x = -12 + -142
-7x = -12 + -142

Combine like terms: -12 + -142 = -154
-7x = -154

Divide each side by '-7'.
x = 22

Simplifying
x = 22

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