172=7x+x

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Solution for 172=7x+x equation:


Simplifying
172 = 7x + x

Combine like terms: 7x + x = 8x
172 = 8x

Solving
172 = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
172 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
172 + -8x = 0

Add '-172' to each side of the equation.
172 + -172 + -8x = 0 + -172

Combine like terms: 172 + -172 = 0
0 + -8x = 0 + -172
-8x = 0 + -172

Combine like terms: 0 + -172 = -172
-8x = -172

Divide each side by '-8'.
x = 21.5

Simplifying
x = 21.5

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