3X+15=3+6X-9

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Solution for 3X+15=3+6X-9 equation: 


Simplifying
3X + 15 = 3 + 6X + -9

Reorder the terms:
15 + 3X = 3 + 6X + -9

Reorder the terms:
15 + 3X = 3 + -9 + 6X

Combine like terms: 3 + -9 = -6
15 + 3X = -6 + 6X

Solving
15 + 3X = -6 + 6X

Solving for variable 'X'.

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

Add '-6X' to each side of the equation.
15 + 3X + -6X = -6 + 6X + -6X

Combine like terms: 3X + -6X = -3X
15 + -3X = -6 + 6X + -6X

Combine like terms: 6X + -6X = 0
15 + -3X = -6 + 0
15 + -3X = -6

Add '-15' to each side of the equation.
15 + -15 + -3X = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -3X = -6 + -15
-3X = -6 + -15

Combine like terms: -6 + -15 = -21
-3X = -21

Divide each side by '-3'.
X = 7

Simplifying
X = 7

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