13+3r=70

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Solution for 13+3r=70 equation: 


Simplifying
13 + 3r = 70

Solving
13 + 3r = 70

Solving for variable 'r'.

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

Add '-13' to each side of the equation.
13 + -13 + 3r = 70 + -13

Combine like terms: 13 + -13 = 0
0 + 3r = 70 + -13
3r = 70 + -13

Combine like terms: 70 + -13 = 57
3r = 57

Divide each side by '3'.
r = 19

Simplifying
r = 19

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