7r-3r-13r=3

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Solution for 7r-3r-13r=3 equation: 


Simplifying
7r + -3r + -13r = 3

Combine like terms: 7r + -3r = 4r
4r + -13r = 3

Combine like terms: 4r + -13r = -9r
-9r = 3

Solving
-9r = 3

Solving for variable 'r'.

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

Divide each side by '-9'.
r = -0.3333333333

Simplifying
r = -0.3333333333

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