9(x-1)-(4x-8)=12x

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Solution for 9(x-1)-(4x-8)=12x equation:


Simplifying
9(x + -1) + -1(4x + -8) = 12x

Reorder the terms:
9(-1 + x) + -1(4x + -8) = 12x
(-1 * 9 + x * 9) + -1(4x + -8) = 12x
(-9 + 9x) + -1(4x + -8) = 12x

Reorder the terms:
-9 + 9x + -1(-8 + 4x) = 12x
-9 + 9x + (-8 * -1 + 4x * -1) = 12x
-9 + 9x + (8 + -4x) = 12x

Reorder the terms:
-9 + 8 + 9x + -4x = 12x

Combine like terms: -9 + 8 = -1
-1 + 9x + -4x = 12x

Combine like terms: 9x + -4x = 5x
-1 + 5x = 12x

Solving
-1 + 5x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-1 + 5x + -12x = 12x + -12x

Combine like terms: 5x + -12x = -7x
-1 + -7x = 12x + -12x

Combine like terms: 12x + -12x = 0
-1 + -7x = 0

Add '1' to each side of the equation.
-1 + 1 + -7x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -7x = 0 + 1
-7x = 0 + 1

Combine like terms: 0 + 1 = 1
-7x = 1

Divide each side by '-7'.
x = -0.1428571429

Simplifying
x = -0.1428571429

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