2x+70=9x-7

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Solution for 2x+70=9x-7 equation:


Simplifying
2x + 70 = 9x + -7

Reorder the terms:
70 + 2x = 9x + -7

Reorder the terms:
70 + 2x = -7 + 9x

Solving
70 + 2x = -7 + 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.
70 + 2x + -9x = -7 + 9x + -9x

Combine like terms: 2x + -9x = -7x
70 + -7x = -7 + 9x + -9x

Combine like terms: 9x + -9x = 0
70 + -7x = -7 + 0
70 + -7x = -7

Add '-70' to each side of the equation.
70 + -70 + -7x = -7 + -70

Combine like terms: 70 + -70 = 0
0 + -7x = -7 + -70
-7x = -7 + -70

Combine like terms: -7 + -70 = -77
-7x = -77

Divide each side by '-7'.
x = 11

Simplifying
x = 11

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