15-3x-3=9x-8x

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Solution for 15-3x-3=9x-8x equation:


Simplifying
15 + -3x + -3 = 9x + -8x

Reorder the terms:
15 + -3 + -3x = 9x + -8x

Combine like terms: 15 + -3 = 12
12 + -3x = 9x + -8x

Combine like terms: 9x + -8x = 1x
12 + -3x = 1x

Solving
12 + -3x = 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + -3x + -1x = 1x + -1x

Combine like terms: -3x + -1x = -4x
12 + -4x = 1x + -1x

Combine like terms: 1x + -1x = 0
12 + -4x = 0

Add '-12' to each side of the equation.
12 + -12 + -4x = 0 + -12

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

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

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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