x-7+x-6=12

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Solution for x-7+x-6=12 equation:


Simplifying
x + -7 + x + -6 = 12

Reorder the terms:
-7 + -6 + x + x = 12

Combine like terms: -7 + -6 = -13
-13 + x + x = 12

Combine like terms: x + x = 2x
-13 + 2x = 12

Solving
-13 + 2x = 12

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 + 2x = 12 + 13

Combine like terms: -13 + 13 = 0
0 + 2x = 12 + 13
2x = 12 + 13

Combine like terms: 12 + 13 = 25
2x = 25

Divide each side by '2'.
x = 12.5

Simplifying
x = 12.5

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