7-2r=-7

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Solution for 7-2r=-7 equation: 


Simplifying
7 + -2r = -7

Solving
7 + -2r = -7

Solving for variable 'r'.

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

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

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

Combine like terms: -7 + -7 = -14
-2r = -14

Divide each side by '-2'.
r = 7

Simplifying
r = 7

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