6x+3x-12=8x-3

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Solution for 6x+3x-12=8x-3 equation:


Simplifying
6x + 3x + -12 = 8x + -3

Reorder the terms:
-12 + 6x + 3x = 8x + -3

Combine like terms: 6x + 3x = 9x
-12 + 9x = 8x + -3

Reorder the terms:
-12 + 9x = -3 + 8x

Solving
-12 + 9x = -3 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-12 + 9x + -8x = -3 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
-12 + 1x = -3 + 0
-12 + 1x = -3

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

Combine like terms: -12 + 12 = 0
0 + 1x = -3 + 12
1x = -3 + 12

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

Divide each side by '1'.
x = 9

Simplifying
x = 9

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