4+5r=13

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Solution for 4+5r=13 equation: 


Simplifying
4 + 5r = 13

Solving
4 + 5r = 13

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 5r = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 5r = 13 + -4
5r = 13 + -4

Combine like terms: 13 + -4 = 9
5r = 9

Divide each side by '5'.
r = 1.8

Simplifying
r = 1.8

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