5X-15+6-2X=12

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Solution for 5X-15+6-2X=12 equation: 


Simplifying
5X + -15 + 6 + -2X = 12

Reorder the terms:
-15 + 6 + 5X + -2X = 12

Combine like terms: -15 + 6 = -9
-9 + 5X + -2X = 12

Combine like terms: 5X + -2X = 3X
-9 + 3X = 12

Solving
-9 + 3X = 12

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + 3X = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3X = 12 + 9
3X = 12 + 9

Combine like terms: 12 + 9 = 21
3X = 21

Divide each side by '3'.
X = 7

Simplifying
X = 7

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