2(-4x+5)=5(x+20)

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


Simplifying
2(-4x + 5) = 5(x + 20)

Reorder the terms:
2(5 + -4x) = 5(x + 20)
(5 * 2 + -4x * 2) = 5(x + 20)
(10 + -8x) = 5(x + 20)

Reorder the terms:
10 + -8x = 5(20 + x)
10 + -8x = (20 * 5 + x * 5)
10 + -8x = (100 + 5x)

Solving
10 + -8x = 100 + 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.
10 + -8x + -5x = 100 + 5x + -5x

Combine like terms: -8x + -5x = -13x
10 + -13x = 100 + 5x + -5x

Combine like terms: 5x + -5x = 0
10 + -13x = 100 + 0
10 + -13x = 100

Add '-10' to each side of the equation.
10 + -10 + -13x = 100 + -10

Combine like terms: 10 + -10 = 0
0 + -13x = 100 + -10
-13x = 100 + -10

Combine like terms: 100 + -10 = 90
-13x = 90

Divide each side by '-13'.
x = -6.923076923

Simplifying
x = -6.923076923

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