12+9x=8-4x

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Solution for 12+9x=8-4x equation:


Simplifying
12 + 9x = 8 + -4x

Solving
12 + 9x = 8 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + 9x + 4x = 8 + -4x + 4x

Combine like terms: 9x + 4x = 13x
12 + 13x = 8 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 13x = 8 + 0
12 + 13x = 8

Add '-12' to each side of the equation.
12 + -12 + 13x = 8 + -12

Combine like terms: 12 + -12 = 0
0 + 13x = 8 + -12
13x = 8 + -12

Combine like terms: 8 + -12 = -4
13x = -4

Divide each side by '13'.
x = -0.3076923077

Simplifying
x = -0.3076923077

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