-7(x-4)=-9x+12

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Solution for -7(x-4)=-9x+12 equation:


Simplifying
-7(x + -4) = -9x + 12

Reorder the terms:
-7(-4 + x) = -9x + 12
(-4 * -7 + x * -7) = -9x + 12
(28 + -7x) = -9x + 12

Reorder the terms:
28 + -7x = 12 + -9x

Solving
28 + -7x = 12 + -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.
28 + -7x + 9x = 12 + -9x + 9x

Combine like terms: -7x + 9x = 2x
28 + 2x = 12 + -9x + 9x

Combine like terms: -9x + 9x = 0
28 + 2x = 12 + 0
28 + 2x = 12

Add '-28' to each side of the equation.
28 + -28 + 2x = 12 + -28

Combine like terms: 28 + -28 = 0
0 + 2x = 12 + -28
2x = 12 + -28

Combine like terms: 12 + -28 = -16
2x = -16

Divide each side by '2'.
x = -8

Simplifying
x = -8

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