-7x-(-8x+7)=-3(x+5)

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Solution for -7x-(-8x+7)=-3(x+5) equation:


Simplifying
-7x + -1(-8x + 7) = -3(x + 5)

Reorder the terms:
-7x + -1(7 + -8x) = -3(x + 5)
-7x + (7 * -1 + -8x * -1) = -3(x + 5)
-7x + (-7 + 8x) = -3(x + 5)

Reorder the terms:
-7 + -7x + 8x = -3(x + 5)

Combine like terms: -7x + 8x = 1x
-7 + 1x = -3(x + 5)

Reorder the terms:
-7 + 1x = -3(5 + x)
-7 + 1x = (5 * -3 + x * -3)
-7 + 1x = (-15 + -3x)

Solving
-7 + 1x = -15 + -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.
-7 + 1x + 3x = -15 + -3x + 3x

Combine like terms: 1x + 3x = 4x
-7 + 4x = -15 + -3x + 3x

Combine like terms: -3x + 3x = 0
-7 + 4x = -15 + 0
-7 + 4x = -15

Add '7' to each side of the equation.
-7 + 7 + 4x = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = -15 + 7
4x = -15 + 7

Combine like terms: -15 + 7 = -8
4x = -8

Divide each side by '4'.
x = -2

Simplifying
x = -2

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