7x+8-2(-5x-1)=2(x-1)

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Solution for 7x+8-2(-5x-1)=2(x-1) equation:


Simplifying
7x + 8 + -2(-5x + -1) = 2(x + -1)

Reorder the terms:
7x + 8 + -2(-1 + -5x) = 2(x + -1)
7x + 8 + (-1 * -2 + -5x * -2) = 2(x + -1)
7x + 8 + (2 + 10x) = 2(x + -1)

Reorder the terms:
8 + 2 + 7x + 10x = 2(x + -1)

Combine like terms: 8 + 2 = 10
10 + 7x + 10x = 2(x + -1)

Combine like terms: 7x + 10x = 17x
10 + 17x = 2(x + -1)

Reorder the terms:
10 + 17x = 2(-1 + x)
10 + 17x = (-1 * 2 + x * 2)
10 + 17x = (-2 + 2x)

Solving
10 + 17x = -2 + 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 + 17x + -2x = -2 + 2x + -2x

Combine like terms: 17x + -2x = 15x
10 + 15x = -2 + 2x + -2x

Combine like terms: 2x + -2x = 0
10 + 15x = -2 + 0
10 + 15x = -2

Add '-10' to each side of the equation.
10 + -10 + 15x = -2 + -10

Combine like terms: 10 + -10 = 0
0 + 15x = -2 + -10
15x = -2 + -10

Combine like terms: -2 + -10 = -12
15x = -12

Divide each side by '15'.
x = -0.8

Simplifying
x = -0.8

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