9x+12=4x-18

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Solution for 9x+12=4x-18 equation:


Simplifying
9x + 12 = 4x + -18

Reorder the terms:
12 + 9x = 4x + -18

Reorder the terms:
12 + 9x = -18 + 4x

Solving
12 + 9x = -18 + 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 = -18 + 4x + -4x

Combine like terms: 9x + -4x = 5x
12 + 5x = -18 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + 5x = -18 + 0
12 + 5x = -18

Add '-12' to each side of the equation.
12 + -12 + 5x = -18 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = -18 + -12
5x = -18 + -12

Combine like terms: -18 + -12 = -30
5x = -30

Divide each side by '5'.
x = -6

Simplifying
x = -6

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