x-7+x-9=12

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Solution for x-7+x-9=12 equation:


Simplifying
x + -7 + x + -9 = 12

Reorder the terms:
-7 + -9 + x + x = 12

Combine like terms: -7 + -9 = -16
-16 + x + x = 12

Combine like terms: x + x = 2x
-16 + 2x = 12

Solving
-16 + 2x = 12

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 2x = 12 + 16

Combine like terms: -16 + 16 = 0
0 + 2x = 12 + 16
2x = 12 + 16

Combine like terms: 12 + 16 = 28
2x = 28

Divide each side by '2'.
x = 14

Simplifying
x = 14

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