8x+7-3(-2x-1)=2(x-4)

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Solution for 8x+7-3(-2x-1)=2(x-4) equation:


Simplifying
8x + 7 + -3(-2x + -1) = 2(x + -4)

Reorder the terms:
8x + 7 + -3(-1 + -2x) = 2(x + -4)
8x + 7 + (-1 * -3 + -2x * -3) = 2(x + -4)
8x + 7 + (3 + 6x) = 2(x + -4)

Reorder the terms:
7 + 3 + 8x + 6x = 2(x + -4)

Combine like terms: 7 + 3 = 10
10 + 8x + 6x = 2(x + -4)

Combine like terms: 8x + 6x = 14x
10 + 14x = 2(x + -4)

Reorder the terms:
10 + 14x = 2(-4 + x)
10 + 14x = (-4 * 2 + x * 2)
10 + 14x = (-8 + 2x)

Solving
10 + 14x = -8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
10 + 14x + -2x = -8 + 2x + -2x

Combine like terms: 14x + -2x = 12x
10 + 12x = -8 + 2x + -2x

Combine like terms: 2x + -2x = 0
10 + 12x = -8 + 0
10 + 12x = -8

Add '-10' to each side of the equation.
10 + -10 + 12x = -8 + -10

Combine like terms: 10 + -10 = 0
0 + 12x = -8 + -10
12x = -8 + -10

Combine like terms: -8 + -10 = -18
12x = -18

Divide each side by '12'.
x = -1.5

Simplifying
x = -1.5

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