3x-12=5(x-3(7-2X)-7)

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Solution for 3x-12=5(x-3(7-2X)-7) equation:


Simplifying
3x + -12 = 5(x + -3(7 + -2X) + -7)

Reorder the terms:
-12 + 3x = 5(x + -3(7 + -2X) + -7)
-12 + 3x = 5(x + (7 * -3 + -2X * -3) + -7)
-12 + 3x = 5(x + (-21 + 6X) + -7)

Reorder the terms:
-12 + 3x = 5(-21 + -7 + 6X + x)

Combine like terms: -21 + -7 = -28
-12 + 3x = 5(-28 + 6X + x)
-12 + 3x = (-28 * 5 + 6X * 5 + x * 5)
-12 + 3x = (-140 + 30X + 5x)

Solving
-12 + 3x = -140 + 30X + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-12 + 3x + -5x = -140 + 30X + 5x + -5x

Combine like terms: 3x + -5x = -2x
-12 + -2x = -140 + 30X + 5x + -5x

Combine like terms: 5x + -5x = 0
-12 + -2x = -140 + 30X + 0
-12 + -2x = -140 + 30X

Add '12' to each side of the equation.
-12 + 12 + -2x = -140 + 12 + 30X

Combine like terms: -12 + 12 = 0
0 + -2x = -140 + 12 + 30X
-2x = -140 + 12 + 30X

Combine like terms: -140 + 12 = -128
-2x = -128 + 30X

Divide each side by '-2'.
x = 64 + -15X

Simplifying
x = 64 + -15X

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