9x-7=2x-84

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Solution for 9x-7=2x-84 equation:


Simplifying
9x + -7 = 2x + -84

Reorder the terms:
-7 + 9x = 2x + -84

Reorder the terms:
-7 + 9x = -84 + 2x

Solving
-7 + 9x = -84 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-7 + 9x + -2x = -84 + 2x + -2x

Combine like terms: 9x + -2x = 7x
-7 + 7x = -84 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 + 7x = -84 + 0
-7 + 7x = -84

Add '7' to each side of the equation.
-7 + 7 + 7x = -84 + 7

Combine like terms: -7 + 7 = 0
0 + 7x = -84 + 7
7x = -84 + 7

Combine like terms: -84 + 7 = -77
7x = -77

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

Simplifying
x = -11

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