Question

3x+7y=2 for y

Answer 1

Isolate the y variable!
Given, 3x+7y=2, we first subtract 3x from both sides:
7y=2-3x.
Now, the y is almost by itself, except for the 7 that its be multiplied by. So the opposite of multiplying is dividing, so let's divide both sides by 7:
y = (2-3x)/7

Answer 2

Thank you so much! ^