8-3r+2r=13

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Solution for 8-3r+2r=13 equation: 


Simplifying
8 + -3r + 2r = 13

Combine like terms: -3r + 2r = -1r
8 + -1r = 13

Solving
8 + -1r = 13

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + -1r = 13 + -8

Combine like terms: 8 + -8 = 0
0 + -1r = 13 + -8
-1r = 13 + -8

Combine like terms: 13 + -8 = 5
-1r = 5

Divide each side by '-1'.
r = -5

Simplifying
r = -5

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