-5r=7-7r

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Solution for -5r=7-7r equation: 


Simplifying
-5r = 7 + -7r

Solving
-5r = 7 + -7r

Solving for variable 'r'.

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

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

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

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

Divide each side by '2'.
r = 3.5

Simplifying
r = 3.5

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