3(x-6)-(9x-6)=-7x

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Solution for 3(x-6)-(9x-6)=-7x equation:


Simplifying
3(x + -6) + -1(9x + -6) = -7x

Reorder the terms:
3(-6 + x) + -1(9x + -6) = -7x
(-6 * 3 + x * 3) + -1(9x + -6) = -7x
(-18 + 3x) + -1(9x + -6) = -7x

Reorder the terms:
-18 + 3x + -1(-6 + 9x) = -7x
-18 + 3x + (-6 * -1 + 9x * -1) = -7x
-18 + 3x + (6 + -9x) = -7x

Reorder the terms:
-18 + 6 + 3x + -9x = -7x

Combine like terms: -18 + 6 = -12
-12 + 3x + -9x = -7x

Combine like terms: 3x + -9x = -6x
-12 + -6x = -7x

Solving
-12 + -6x = -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-12 + -6x + 7x = -7x + 7x

Combine like terms: -6x + 7x = 1x
-12 + 1x = -7x + 7x

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

Add '12' to each side of the equation.
-12 + 12 + 1x = 0 + 12

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

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

Divide each side by '1'.
x = 12

Simplifying
x = 12

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