6+6=X-7

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Solution for 6+6=X-7 equation: 


Simplifying
6 + 6 = X + -7

Combine like terms: 6 + 6 = 12
12 = X + -7

Reorder the terms:
12 = -7 + X

Solving
12 = -7 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
12 + -1X = -7 + X + -1X

Combine like terms: X + -1X = 0
12 + -1X = -7 + 0
12 + -1X = -7

Add '-12' to each side of the equation.
12 + -12 + -1X = -7 + -12

Combine like terms: 12 + -12 = 0
0 + -1X = -7 + -12
-1X = -7 + -12

Combine like terms: -7 + -12 = -19
-1X = -19

Divide each side by '-1'.
X = 19

Simplifying
X = 19

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