-3(2x+3)=15

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


Simplifying
-3(2x + 3) = 15

Reorder the terms:
-3(3 + 2x) = 15
(3 * -3 + 2x * -3) = 15
(-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 = 24
-6x = 24

Divide each side by '-6'.
x = -4

Simplifying
x = -4

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