Answer:
-10½
Step-by-step explanation:
8y = 2(3y-7)
first of all we open the bracket on the right hand side, so we have..
2(3y-7)= (2*3y) - (3*7)
= 6y-21
so,
8y = 6y-21
so, collecting like terms we have
8y-6y = 6y-6y-21
2y = -21
so dividing both sides by 2, we have:
2y/2= -21/2
y = -10½