15+12=X

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Solution for 15+12=X equation:


Simplifying
15 + 12 = X

Combine like terms: 15 + 12 = 27
27 = X

Solving
27 = 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.
27 + -1X = X + -1X

Combine like terms: X + -1X = 0
27 + -1X = 0

Add '-27' to each side of the equation.
27 + -27 + -1X = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -1X = 0 + -27
-1X = 0 + -27

Combine like terms: 0 + -27 = -27
-1X = -27

Divide each side by '-1'.
X = 27

Simplifying
X = 27

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