-2(r+5)=-31

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Solution for -2(r+5)=-31 equation:


Simplifying
-2(r + 5) = -31

Reorder the terms:
-2(5 + r) = -31
(5 * -2 + r * -2) = -31
(-10 + -2r) = -31

Solving
-10 + -2r = -31

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + -2r = -31 + 10

Combine like terms: -10 + 10 = 0
0 + -2r = -31 + 10
-2r = -31 + 10

Combine like terms: -31 + 10 = -21
-2r = -21

Divide each side by '-2'.
r = 10.5

Simplifying
r = 10.5

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