-5-5(6r+7)=-10

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Solution for -5-5(6r+7)=-10 equation: 


Simplifying
-5 + -5(6r + 7) = -10

Reorder the terms:
-5 + -5(7 + 6r) = -10
-5 + (7 * -5 + 6r * -5) = -10
-5 + (-35 + -30r) = -10

Combine like terms: -5 + -35 = -40
-40 + -30r = -10

Solving
-40 + -30r = -10

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 + -30r = -10 + 40

Combine like terms: -40 + 40 = 0
0 + -30r = -10 + 40
-30r = -10 + 40

Combine like terms: -10 + 40 = 30
-30r = 30

Divide each side by '-30'.
r = -1

Simplifying
r = -1

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