3x+12+3x-3=15

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Solution for 3x+12+3x-3=15 equation:


Simplifying
3x + 12 + 3x + -3 = 15

Reorder the terms:
12 + -3 + 3x + 3x = 15

Combine like terms: 12 + -3 = 9
9 + 3x + 3x = 15

Combine like terms: 3x + 3x = 6x
9 + 6x = 15

Solving
9 + 6x = 15

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 + 6x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 15 + -9
6x = 15 + -9

Combine like terms: 15 + -9 = 6
6x = 6

Divide each side by '6'.
x = 1

Simplifying
x = 1

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