-8=-1+r

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Solution for -8=-1+r equation:


Simplifying
-8 = -1 + r

Solving
-8 = -1 + r

Solving for variable 'r'.

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

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

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

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

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

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

Divide each side by '-1'.
r = -7

Simplifying
r = -7

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