x+12-15=20

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Solution for x+12-15=20 equation: 


Simplifying
x + 12 + -15 = 20

Reorder the terms:
12 + -15 + x = 20

Combine like terms: 12 + -15 = -3
-3 + x = 20

Solving
-3 + x = 20

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + x = 20 + 3

Combine like terms: -3 + 3 = 0
0 + x = 20 + 3
x = 20 + 3

Combine like terms: 20 + 3 = 23
x = 23

Simplifying
x = 23

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