4r-13=45

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Solution for 4r-13=45 equation: 


Simplifying
4r + -13 = 45

Reorder the terms:
-13 + 4r = 45

Solving
-13 + 4r = 45

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 + 4r = 45 + 13

Combine like terms: -13 + 13 = 0
0 + 4r = 45 + 13
4r = 45 + 13

Combine like terms: 45 + 13 = 58
4r = 58

Divide each side by '4'.
r = 14.5

Simplifying
r = 14.5

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