# How do you solve #\frac { x } { 3} - \frac { y } { 7} = - 1#?

##### 1 Answer

Jul 20, 2018

Multiply by 21

Add 3y

Divide by 7

OR

Add 21

Divide by 3

Jul 20, 2018

Multiply by 21

Add 3y

Divide by 7

OR

Add 21

Divide by 3

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