Question

LAST QUESTION PLZ ANSWER!!!!!!!!!!

Answer 1

Answer:

Y=2

I'm not great at explanations, but essentially you isolate y by dividing both sides by factors that don't contain the variable

Answer 2

Answer:

y=2

Step-by-step explanation:

$\frac{1}{3}(y+7)=3(y-1)\\y+7=9(y-1)\\y+7=9y-9\\9y-y=7+9\\8y=16\\y=16/8=2$