7x-x-13=9

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Solution for 7x-x-13=9 equation:


Simplifying
7x + -1x + -13 = 9

Reorder the terms:
-13 + 7x + -1x = 9

Combine like terms: 7x + -1x = 6x
-13 + 6x = 9

Solving
-13 + 6x = 9

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 6x = 9 + 13

Combine like terms: -13 + 13 = 0
0 + 6x = 9 + 13
6x = 9 + 13

Combine like terms: 9 + 13 = 22
6x = 22

Divide each side by '6'.
x = 3.666666667

Simplifying
x = 3.666666667

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