20=-7-2x-8x

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


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

Combine like terms: -2x + -8x = -10x
20 = -7 + -10x

Solving
20 = -7 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
20 + 10x = -7 + -10x + 10x

Combine like terms: -10x + 10x = 0
20 + 10x = -7 + 0
20 + 10x = -7

Add '-20' to each side of the equation.
20 + -20 + 10x = -7 + -20

Combine like terms: 20 + -20 = 0
0 + 10x = -7 + -20
10x = -7 + -20

Combine like terms: -7 + -20 = -27
10x = -27

Divide each side by '10'.
x = -2.7

Simplifying
x = -2.7

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