-3[x+2]=15

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Solution for -3[x+2]=15 equation: 


Simplifying
-3[x + 2] = 15

Reorder the terms:
-3[2 + x] = 15
[2 * -3 + x * -3] = 15
[-6 + -3x] = 15

Solving
-6 + -3x = 15

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = -7

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