15=-3(3x+4)

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Solution for 15=-3(3x+4) equation:


Simplifying
15 = -3(3x + 4)

Reorder the terms:
15 = -3(4 + 3x)
15 = (4 * -3 + 3x * -3)
15 = (-12 + -9x)

Solving
15 = -12 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
15 + 9x = -12 + -9x + 9x

Combine like terms: -9x + 9x = 0
15 + 9x = -12 + 0
15 + 9x = -12

Add '-15' to each side of the equation.
15 + -15 + 9x = -12 + -15

Combine like terms: 15 + -15 = 0
0 + 9x = -12 + -15
9x = -12 + -15

Combine like terms: -12 + -15 = -27
9x = -27

Divide each side by '9'.
x = -3

Simplifying
x = -3

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