-80=-10r

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Solution for -80=-10r equation:


Simplifying
-80 = -10r

Solving
-80 = -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
-80 + 10r = -10r + 10r

Combine like terms: -10r + 10r = 0
-80 + 10r = 0

Add '80' to each side of the equation.
-80 + 80 + 10r = 0 + 80

Combine like terms: -80 + 80 = 0
0 + 10r = 0 + 80
10r = 0 + 80

Combine like terms: 0 + 80 = 80
10r = 80

Divide each side by '10'.
r = 8

Simplifying
r = 8

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