9x-12=8x+3

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Solution for 9x-12=8x+3 equation:


Simplifying
9x + -12 = 8x + 3

Reorder the terms:
-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 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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