-8-4x=12-9x

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


Simplifying
-8 + -4x = 12 + -9x

Solving
-8 + -4x = 12 + -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.
-8 + -4x + 9x = 12 + -9x + 9x

Combine like terms: -4x + 9x = 5x
-8 + 5x = 12 + -9x + 9x

Combine like terms: -9x + 9x = 0
-8 + 5x = 12 + 0
-8 + 5x = 12

Add '8' to each side of the equation.
-8 + 8 + 5x = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 5x = 12 + 8
5x = 12 + 8

Combine like terms: 12 + 8 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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