8=-r

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Solution for 8=-r equation:


Simplifying
8 = -1r

Solving
8 = -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
8 + r = -1r + r

Combine like terms: -1r + r = 0
8 + r = 0

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

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

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

Simplifying
r = -8

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