9-2x=7x+72

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Solution for 9-2x=7x+72 equation:


Simplifying
9 + -2x = 7x + 72

Reorder the terms:
9 + -2x = 72 + 7x

Solving
9 + -2x = 72 + 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.
9 + -2x + -7x = 72 + 7x + -7x

Combine like terms: -2x + -7x = -9x
9 + -9x = 72 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -9x = 72 + 0
9 + -9x = 72

Add '-9' to each side of the equation.
9 + -9 + -9x = 72 + -9

Combine like terms: 9 + -9 = 0
0 + -9x = 72 + -9
-9x = 72 + -9

Combine like terms: 72 + -9 = 63
-9x = 63

Divide each side by '-9'.
x = -7

Simplifying
x = -7

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