7-2r=1

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Solution for 7-2r=1 equation: 


Simplifying
7 + -2r = 1

Solving
7 + -2r = 1

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 = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -2r = 1 + -7
-2r = 1 + -7

Combine like terms: 1 + -7 = -6
-2r = -6

Divide each side by '-2'.
r = 3

Simplifying
r = 3

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