8x+12=9x-15

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Solution for 8x+12=9x-15 equation:


Simplifying
8x + 12 = 9x + -15

Reorder the terms:
12 + 8x = 9x + -15

Reorder the terms:
12 + 8x = -15 + 9x

Solving
12 + 8x = -15 + 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.
12 + 8x + -9x = -15 + 9x + -9x

Combine like terms: 8x + -9x = -1x
12 + -1x = -15 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + -1x = -15 + 0
12 + -1x = -15

Add '-12' to each side of the equation.
12 + -12 + -1x = -15 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = -15 + -12
-1x = -15 + -12

Combine like terms: -15 + -12 = -27
-1x = -27

Divide each side by '-1'.
x = 27

Simplifying
x = 27

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