3(r)=-5r+13

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Solution for 3(r)=-5r+13 equation: 


Simplifying
3(r) = -5r + 13

Reorder the terms:
3r = 13 + -5r

Solving
3r = 13 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
3r + 5r = 13 + -5r + 5r

Combine like terms: 3r + 5r = 8r
8r = 13 + -5r + 5r

Combine like terms: -5r + 5r = 0
8r = 13 + 0
8r = 13

Divide each side by '8'.
r = 1.625

Simplifying
r = 1.625

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