4x+8x=2x+7+2x-20

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Solution for 4x+8x=2x+7+2x-20 equation:


Simplifying
4x + 8x = 2x + 7 + 2x + -20

Combine like terms: 4x + 8x = 12x
12x = 2x + 7 + 2x + -20

Reorder the terms:
12x = 7 + -20 + 2x + 2x

Combine like terms: 7 + -20 = -13
12x = -13 + 2x + 2x

Combine like terms: 2x + 2x = 4x
12x = -13 + 4x

Solving
12x = -13 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
12x + -4x = -13 + 4x + -4x

Combine like terms: 12x + -4x = 8x
8x = -13 + 4x + -4x

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

Divide each side by '8'.
x = -1.625

Simplifying
x = -1.625

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