8+x=7x+20

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Solution for 8+x=7x+20 equation:


Simplifying
8 + x = 7x + 20

Reorder the terms:
8 + x = 20 + 7x

Solving
8 + x = 20 + 7x

Solving for variable 'x'.

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

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

Combine like terms: x + -7x = -6x
8 + -6x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
8 + -6x = 20 + 0
8 + -6x = 20

Add '-8' to each side of the equation.
8 + -8 + -6x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -6x = 20 + -8
-6x = 20 + -8

Combine like terms: 20 + -8 = 12
-6x = 12

Divide each side by '-6'.
x = -2

Simplifying
x = -2

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