7x-8+6x=31

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Solution for 7x-8+6x=31 equation:


Simplifying
7x + -8 + 6x = 31

Reorder the terms:
-8 + 7x + 6x = 31

Combine like terms: 7x + 6x = 13x
-8 + 13x = 31

Solving
-8 + 13x = 31

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 13x = 31 + 8

Combine like terms: -8 + 8 = 0
0 + 13x = 31 + 8
13x = 31 + 8

Combine like terms: 31 + 8 = 39
13x = 39

Divide each side by '13'.
x = 3

Simplifying
x = 3

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