-32=-r-7r

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Solution for -32=-r-7r equation:


Simplifying
-32 = -1r + -7r

Combine like terms: -1r + -7r = -8r
-32 = -8r

Solving
-32 = -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-32 + 8r = -8r + 8r

Combine like terms: -8r + 8r = 0
-32 + 8r = 0

Add '32' to each side of the equation.
-32 + 32 + 8r = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 8r = 0 + 32
8r = 0 + 32

Combine like terms: 0 + 32 = 32
8r = 32

Divide each side by '8'.
r = 4

Simplifying
r = 4

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