12=9x+x-3x-2

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Solution for 12=9x+x-3x-2 equation:


Simplifying
12 = 9x + x + -3x + -2

Reorder the terms:
12 = -2 + 9x + x + -3x

Combine like terms: 9x + x = 10x
12 = -2 + 10x + -3x

Combine like terms: 10x + -3x = 7x
12 = -2 + 7x

Solving
12 = -2 + 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.
12 + -7x = -2 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -7x = -2 + 0
12 + -7x = -2

Add '-12' to each side of the equation.
12 + -12 + -7x = -2 + -12

Combine like terms: 12 + -12 = 0
0 + -7x = -2 + -12
-7x = -2 + -12

Combine like terms: -2 + -12 = -14
-7x = -14

Divide each side by '-7'.
x = 2

Simplifying
x = 2

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