7r=-2/7

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Solution for 7r=-2/7 equation: 



7r=-2/7

We move all terms to the left:

7r-(-2/7)=0

We get rid of parentheses

7r+2/7=0

We multiply all the terms by the denominator


7r*7+2=0

Wy multiply elements

49r+2=0

We move all terms containing r to the left, all other terms to the right

49r=-2

r=-2/49

r=-2/49

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