5(20-x)=4*(2x-1)

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Solution for 5(20-x)=4*(2x-1) equation:


Simplifying
5(20 + -1x) = 4(2x + -1)
(20 * 5 + -1x * 5) = 4(2x + -1)
(100 + -5x) = 4(2x + -1)

Reorder the terms:
100 + -5x = 4(-1 + 2x)
100 + -5x = (-1 * 4 + 2x * 4)
100 + -5x = (-4 + 8x)

Solving
100 + -5x = -4 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
100 + -5x + -8x = -4 + 8x + -8x

Combine like terms: -5x + -8x = -13x
100 + -13x = -4 + 8x + -8x

Combine like terms: 8x + -8x = 0
100 + -13x = -4 + 0
100 + -13x = -4

Add '-100' to each side of the equation.
100 + -100 + -13x = -4 + -100

Combine like terms: 100 + -100 = 0
0 + -13x = -4 + -100
-13x = -4 + -100

Combine like terms: -4 + -100 = -104
-13x = -104

Divide each side by '-13'.
x = 8

Simplifying
x = 8

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