2x-4x+8=5x+20

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Solution for 2x-4x+8=5x+20 equation:


Simplifying
2x + -4x + 8 = 5x + 20

Reorder the terms:
8 + 2x + -4x = 5x + 20

Combine like terms: 2x + -4x = -2x
8 + -2x = 5x + 20

Reorder the terms:
8 + -2x = 20 + 5x

Solving
8 + -2x = 20 + 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.
8 + -2x + -5x = 20 + 5x + -5x

Combine like terms: -2x + -5x = -7x
8 + -7x = 20 + 5x + -5x

Combine like terms: 5x + -5x = 0
8 + -7x = 20 + 0
8 + -7x = 20

Add '-8' to each side of the equation.
8 + -8 + -7x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -7x = 20 + -8
-7x = 20 + -8

Combine like terms: 20 + -8 = 12
-7x = 12

Divide each side by '-7'.
x = -1.714285714

Simplifying
x = -1.714285714

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