2x-3(-3)=15

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Solution for 2x-3(-3)=15 equation: 


Simplifying
2x + -3(-3) = 15

Multiply -3 * -3
2x + 9 = 15

Reorder the terms:
9 + 2x = 15

Solving
9 + 2x = 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 + 2x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 15 + -9
2x = 15 + -9

Combine like terms: 15 + -9 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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