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)

Reorder the terms:
-12 + 3x = 5(-3 + -7 + -7 + x + 2x)

Combine like terms: -3 + -7 = -10
-12 + 3x = 5(-10 + -7 + x + 2x)

Combine like terms: -10 + -7 = -17
-12 + 3x = 5(-17 + x + 2x)

Combine like terms: x + 2x = 3x
-12 + 3x = 5(-17 + 3x)
-12 + 3x = (-17 * 5 + 3x * 5)
-12 + 3x = (-85 + 15x)

Solving
-12 + 3x = -85 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-12 + 3x + -15x = -85 + 15x + -15x

Combine like terms: 3x + -15x = -12x
-12 + -12x = -85 + 15x + -15x

Combine like terms: 15x + -15x = 0
-12 + -12x = -85 + 0
-12 + -12x = -85

Add '12' to each side of the equation.
-12 + 12 + -12x = -85 + 12

Combine like terms: -12 + 12 = 0
0 + -12x = -85 + 12
-12x = -85 + 12

Combine like terms: -85 + 12 = -73
-12x = -73

Divide each side by '-12'.
x = 6.083333333

Simplifying
x = 6.083333333

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