5(x-8)=9x+20

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Solution for 5(x-8)=9x+20 equation:


Simplifying
5(x + -8) = 9x + 20

Reorder the terms:
5(-8 + x) = 9x + 20
(-8 * 5 + x * 5) = 9x + 20
(-40 + 5x) = 9x + 20

Reorder the terms:
-40 + 5x = 20 + 9x

Solving
-40 + 5x = 20 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-40 + 5x + -9x = 20 + 9x + -9x

Combine like terms: 5x + -9x = -4x
-40 + -4x = 20 + 9x + -9x

Combine like terms: 9x + -9x = 0
-40 + -4x = 20 + 0
-40 + -4x = 20

Add '40' to each side of the equation.
-40 + 40 + -4x = 20 + 40

Combine like terms: -40 + 40 = 0
0 + -4x = 20 + 40
-4x = 20 + 40

Combine like terms: 20 + 40 = 60
-4x = 60

Divide each side by '-4'.
x = -15

Simplifying
x = -15

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