12x-9=2.5x+76.5

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Solution for 12x-9=2.5x+76.5 equation:


Simplifying
12x + -9 = 2.5x + 76.5

Reorder the terms:
-9 + 12x = 2.5x + 76.5

Reorder the terms:
-9 + 12x = 76.5 + 2.5x

Solving
-9 + 12x = 76.5 + 2.5x

Solving for variable 'x'.

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

Add '-2.5x' to each side of the equation.
-9 + 12x + -2.5x = 76.5 + 2.5x + -2.5x

Combine like terms: 12x + -2.5x = 9.5x
-9 + 9.5x = 76.5 + 2.5x + -2.5x

Combine like terms: 2.5x + -2.5x = 0.0
-9 + 9.5x = 76.5 + 0.0
-9 + 9.5x = 76.5

Add '9' to each side of the equation.
-9 + 9 + 9.5x = 76.5 + 9

Combine like terms: -9 + 9 = 0
0 + 9.5x = 76.5 + 9
9.5x = 76.5 + 9

Combine like terms: 76.5 + 9 = 85.5
9.5x = 85.5

Divide each side by '9.5'.
x = 9

Simplifying
x = 9

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