15[2+r]=

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Solution for 15[2+r]= equation: 


Simplifying
15[2 + r] = 0
[2 * 15 + r * 15] = 0
[30 + 15r] = 0

Solving
30 + 15r = 0

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + -30 + 15r = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 15r = 0 + -30
15r = 0 + -30

Combine like terms: 0 + -30 = -30
15r = -30

Divide each side by '15'.
r = -2

Simplifying
r = -2

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