-2(r+4)=-39

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Solution for -2(r+4)=-39 equation:


Simplifying
-2(r + 4) = -39

Reorder the terms:
-2(4 + r) = -39
(4 * -2 + r * -2) = -39
(-8 + -2r) = -39

Solving
-8 + -2r = -39

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -2r = -39 + 8

Combine like terms: -8 + 8 = 0
0 + -2r = -39 + 8
-2r = -39 + 8

Combine like terms: -39 + 8 = -31
-2r = -31

Divide each side by '-2'.
r = 15.5

Simplifying
r = 15.5

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