-39=-4r-7

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Solution for -39=-4r-7 equation:


Simplifying
-39 = -4r + -7

Reorder the terms:
-39 = -7 + -4r

Solving
-39 = -7 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-39 + 4r = -7 + -4r + 4r

Combine like terms: -4r + 4r = 0
-39 + 4r = -7 + 0
-39 + 4r = -7

Add '39' to each side of the equation.
-39 + 39 + 4r = -7 + 39

Combine like terms: -39 + 39 = 0
0 + 4r = -7 + 39
4r = -7 + 39

Combine like terms: -7 + 39 = 32
4r = 32

Divide each side by '4'.
r = 8

Simplifying
r = 8

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