2r+45=115

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Solution for 2r+45=115 equation: 


Simplifying
2r + 45 = 115

Reorder the terms:
45 + 2r = 115

Solving
45 + 2r = 115

Solving for variable 'r'.

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

Add '-45' to each side of the equation.
45 + -45 + 2r = 115 + -45

Combine like terms: 45 + -45 = 0
0 + 2r = 115 + -45
2r = 115 + -45

Combine like terms: 115 + -45 = 70
2r = 70

Divide each side by '2'.
r = 35

Simplifying
r = 35

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