-4(x+1)=5(x-8)

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Solution for -4(x+1)=5(x-8) equation:


Simplifying
-4(x + 1) = 5(x + -8)

Reorder the terms:
-4(1 + x) = 5(x + -8)
(1 * -4 + x * -4) = 5(x + -8)
(-4 + -4x) = 5(x + -8)

Reorder the terms:
-4 + -4x = 5(-8 + x)
-4 + -4x = (-8 * 5 + x * 5)
-4 + -4x = (-40 + 5x)

Solving
-4 + -4x = -40 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-4 + -4x + -5x = -40 + 5x + -5x

Combine like terms: -4x + -5x = -9x
-4 + -9x = -40 + 5x + -5x

Combine like terms: 5x + -5x = 0
-4 + -9x = -40 + 0
-4 + -9x = -40

Add '4' to each side of the equation.
-4 + 4 + -9x = -40 + 4

Combine like terms: -4 + 4 = 0
0 + -9x = -40 + 4
-9x = -40 + 4

Combine like terms: -40 + 4 = -36
-9x = -36

Divide each side by '-9'.
x = 4

Simplifying
x = 4

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