-131=-5(3x-8)+7x

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Solution for -131=-5(3x-8)+7x equation:


Simplifying
-131 = -5(3x + -8) + 7x

Reorder the terms:
-131 = -5(-8 + 3x) + 7x
-131 = (-8 * -5 + 3x * -5) + 7x
-131 = (40 + -15x) + 7x

Combine like terms: -15x + 7x = -8x
-131 = 40 + -8x

Solving
-131 = 40 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-131 + 8x = 40 + -8x + 8x

Combine like terms: -8x + 8x = 0
-131 + 8x = 40 + 0
-131 + 8x = 40

Add '131' to each side of the equation.
-131 + 131 + 8x = 40 + 131

Combine like terms: -131 + 131 = 0
0 + 8x = 40 + 131
8x = 40 + 131

Combine like terms: 40 + 131 = 171
8x = 171

Divide each side by '8'.
x = 21.375

Simplifying
x = 21.375

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