2r-5=7

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Solution for 2r-5=7 equation: 


Simplifying
2r + -5 = 7

Reorder the terms:
-5 + 2r = 7

Solving
-5 + 2r = 7

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 2r = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 2r = 7 + 5
2r = 7 + 5

Combine like terms: 7 + 5 = 12
2r = 12

Divide each side by '2'.
r = 6

Simplifying
r = 6

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