20x-5(1+x)=5(4x-4)-40

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Solution for 20x-5(1+x)=5(4x-4)-40 equation:


Simplifying
20x + -5(1 + x) = 5(4x + -4) + -40
20x + (1 * -5 + x * -5) = 5(4x + -4) + -40
20x + (-5 + -5x) = 5(4x + -4) + -40

Reorder the terms:
-5 + 20x + -5x = 5(4x + -4) + -40

Combine like terms: 20x + -5x = 15x
-5 + 15x = 5(4x + -4) + -40

Reorder the terms:
-5 + 15x = 5(-4 + 4x) + -40
-5 + 15x = (-4 * 5 + 4x * 5) + -40
-5 + 15x = (-20 + 20x) + -40

Reorder the terms:
-5 + 15x = -20 + -40 + 20x

Combine like terms: -20 + -40 = -60
-5 + 15x = -60 + 20x

Solving
-5 + 15x = -60 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-5 + 15x + -20x = -60 + 20x + -20x

Combine like terms: 15x + -20x = -5x
-5 + -5x = -60 + 20x + -20x

Combine like terms: 20x + -20x = 0
-5 + -5x = -60 + 0
-5 + -5x = -60

Add '5' to each side of the equation.
-5 + 5 + -5x = -60 + 5

Combine like terms: -5 + 5 = 0
0 + -5x = -60 + 5
-5x = -60 + 5

Combine like terms: -60 + 5 = -55
-5x = -55

Divide each side by '-5'.
x = 11

Simplifying
x = 11

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