2r-7r=45

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Solution for 2r-7r=45 equation: 


Simplifying
2r + -7r = 45

Combine like terms: 2r + -7r = -5r
-5r = 45

Solving
-5r = 45

Solving for variable 'r'.

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

Divide each side by '-5'.
r = -9

Simplifying
r = -9

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