7x-12-2x=9x-7

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Solution for 7x-12-2x=9x-7 equation:


Simplifying
7x + -12 + -2x = 9x + -7

Reorder the terms:
-12 + 7x + -2x = 9x + -7

Combine like terms: 7x + -2x = 5x
-12 + 5x = 9x + -7

Reorder the terms:
-12 + 5x = -7 + 9x

Solving
-12 + 5x = -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.
-12 + 5x + -9x = -7 + 9x + -9x

Combine like terms: 5x + -9x = -4x
-12 + -4x = -7 + 9x + -9x

Combine like terms: 9x + -9x = 0
-12 + -4x = -7 + 0
-12 + -4x = -7

Add '12' to each side of the equation.
-12 + 12 + -4x = -7 + 12

Combine like terms: -12 + 12 = 0
0 + -4x = -7 + 12
-4x = -7 + 12

Combine like terms: -7 + 12 = 5
-4x = 5

Divide each side by '-4'.
x = -1.25

Simplifying
x = -1.25

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