2r-45=15

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Solution for 2r-45=15 equation: 


Simplifying
2r + -45 = 15

Reorder the terms:
-45 + 2r = 15

Solving
-45 + 2r = 15

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 = 15 + 45

Combine like terms: -45 + 45 = 0
0 + 2r = 15 + 45
2r = 15 + 45

Combine like terms: 15 + 45 = 60
2r = 60

Divide each side by '2'.
r = 30

Simplifying
r = 30

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