(2x+7)+(-10x-4)=3(-x+12)

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Solution for (2x+7)+(-10x-4)=3(-x+12) equation:


Simplifying
(2x + 7) + (-10x + -4) = 3(-1x + 12)

Reorder the terms:
(7 + 2x) + (-10x + -4) = 3(-1x + 12)

Remove parenthesis around (7 + 2x)
7 + 2x + (-10x + -4) = 3(-1x + 12)

Reorder the terms:
7 + 2x + (-4 + -10x) = 3(-1x + 12)

Remove parenthesis around (-4 + -10x)
7 + 2x + -4 + -10x = 3(-1x + 12)

Reorder the terms:
7 + -4 + 2x + -10x = 3(-1x + 12)

Combine like terms: 7 + -4 = 3
3 + 2x + -10x = 3(-1x + 12)

Combine like terms: 2x + -10x = -8x
3 + -8x = 3(-1x + 12)

Reorder the terms:
3 + -8x = 3(12 + -1x)
3 + -8x = (12 * 3 + -1x * 3)
3 + -8x = (36 + -3x)

Solving
3 + -8x = 36 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
3 + -8x + 3x = 36 + -3x + 3x

Combine like terms: -8x + 3x = -5x
3 + -5x = 36 + -3x + 3x

Combine like terms: -3x + 3x = 0
3 + -5x = 36 + 0
3 + -5x = 36

Add '-3' to each side of the equation.
3 + -3 + -5x = 36 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = 36 + -3
-5x = 36 + -3

Combine like terms: 36 + -3 = 33
-5x = 33

Divide each side by '-5'.
x = -6.6

Simplifying
x = -6.6

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