7-12=X

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Solution for 7-12=X equation:


Simplifying
7 + -12 = X

Combine like terms: 7 + -12 = -5
-5 = X

Solving
-5 = 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.
-5 + -1X = X + -1X

Combine like terms: X + -1X = 0
-5 + -1X = 0

Add '5' to each side of the equation.
-5 + 5 + -1X = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1X = 0 + 5
-1X = 0 + 5

Combine like terms: 0 + 5 = 5
-1X = 5

Divide each side by '-1'.
X = -5

Simplifying
X = -5

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