-8r-3=13

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Solution for -8r-3=13 equation:


Simplifying
-8r + -3 = 13

Reorder the terms:
-3 + -8r = 13

Solving
-3 + -8r = 13

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + -8r = 13 + 3

Combine like terms: -3 + 3 = 0
0 + -8r = 13 + 3
-8r = 13 + 3

Combine like terms: 13 + 3 = 16
-8r = 16

Divide each side by '-8'.
r = -2

Simplifying
r = -2

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