-5(-7r-8)=-30

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Solution for -5(-7r-8)=-30 equation:


Simplifying
-5(-7r + -8) = -30

Reorder the terms:
-5(-8 + -7r) = -30
(-8 * -5 + -7r * -5) = -30
(40 + 35r) = -30

Solving
40 + 35r = -30

Solving for variable 'r'.

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

Add '-40' to each side of the equation.
40 + -40 + 35r = -30 + -40

Combine like terms: 40 + -40 = 0
0 + 35r = -30 + -40
35r = -30 + -40

Combine like terms: -30 + -40 = -70
35r = -70

Divide each side by '35'.
r = -2

Simplifying
r = -2

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