5(x+80)-4(x-20)=5x

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Solution for 5(x+80)-4(x-20)=5x equation:


Simplifying
5(x + 80) + -4(x + -20) = 5x

Reorder the terms:
5(80 + x) + -4(x + -20) = 5x
(80 * 5 + x * 5) + -4(x + -20) = 5x
(400 + 5x) + -4(x + -20) = 5x

Reorder the terms:
400 + 5x + -4(-20 + x) = 5x
400 + 5x + (-20 * -4 + x * -4) = 5x
400 + 5x + (80 + -4x) = 5x

Reorder the terms:
400 + 80 + 5x + -4x = 5x

Combine like terms: 400 + 80 = 480
480 + 5x + -4x = 5x

Combine like terms: 5x + -4x = 1x
480 + 1x = 5x

Solving
480 + 1x = 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.
480 + 1x + -5x = 5x + -5x

Combine like terms: 1x + -5x = -4x
480 + -4x = 5x + -5x

Combine like terms: 5x + -5x = 0
480 + -4x = 0

Add '-480' to each side of the equation.
480 + -480 + -4x = 0 + -480

Combine like terms: 480 + -480 = 0
0 + -4x = 0 + -480
-4x = 0 + -480

Combine like terms: 0 + -480 = -480
-4x = -480

Divide each side by '-4'.
x = 120

Simplifying
x = 120

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