-20=8x-5(x+1)

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Solution for -20=8x-5(x+1) equation:


Simplifying
-20 = 8x + -5(x + 1)

Reorder the terms:
-20 = 8x + -5(1 + x)
-20 = 8x + (1 * -5 + x * -5)
-20 = 8x + (-5 + -5x)

Reorder the terms:
-20 = -5 + 8x + -5x

Combine like terms: 8x + -5x = 3x
-20 = -5 + 3x

Solving
-20 = -5 + 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.
-20 + -3x = -5 + 3x + -3x

Combine like terms: 3x + -3x = 0
-20 + -3x = -5 + 0
-20 + -3x = -5

Add '20' to each side of the equation.
-20 + 20 + -3x = -5 + 20

Combine like terms: -20 + 20 = 0
0 + -3x = -5 + 20
-3x = -5 + 20

Combine like terms: -5 + 20 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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