12+2x-x=9x+4

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Solution for 12+2x-x=9x+4 equation:


Simplifying
12 + 2x + -1x = 9x + 4

Combine like terms: 2x + -1x = 1x
12 + 1x = 9x + 4

Reorder the terms:
12 + 1x = 4 + 9x

Solving
12 + 1x = 4 + 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 + 1x + -9x = 4 + 9x + -9x

Combine like terms: 1x + -9x = -8x
12 + -8x = 4 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + -8x = 4 + 0
12 + -8x = 4

Add '-12' to each side of the equation.
12 + -12 + -8x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -8x = 4 + -12
-8x = 4 + -12

Combine like terms: 4 + -12 = -8
-8x = -8

Divide each side by '-8'.
x = 1

Simplifying
x = 1

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