9x-(12x+28)=x

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Solution for 9x-(12x+28)=x equation:


Simplifying
9x + -1(12x + 28) = x

Reorder the terms:
9x + -1(28 + 12x) = x
9x + (28 * -1 + 12x * -1) = x
9x + (-28 + -12x) = x

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

Combine like terms: 9x + -12x = -3x
-28 + -3x = x

Solving
-28 + -3x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-28 + -3x + -1x = x + -1x

Combine like terms: -3x + -1x = -4x
-28 + -4x = x + -1x

Combine like terms: x + -1x = 0
-28 + -4x = 0

Add '28' to each side of the equation.
-28 + 28 + -4x = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -4x = 0 + 28
-4x = 0 + 28

Combine like terms: 0 + 28 = 28
-4x = 28

Divide each side by '-4'.
x = -7

Simplifying
x = -7

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