-5(3+r)=30

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Solution for -5(3+r)=30 equation: 


Simplifying
-5(3 + r) = 30
(3 * -5 + r * -5) = 30
(-15 + -5r) = 30

Solving
-15 + -5r = 30

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + -5r = 30 + 15

Combine like terms: -15 + 15 = 0
0 + -5r = 30 + 15
-5r = 30 + 15

Combine like terms: 30 + 15 = 45
-5r = 45

Divide each side by '-5'.
r = -9

Simplifying
r = -9

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