Question

simplify 4y-28=2(y+2)

Answer 1

$4y-28=2(y+2)\\ 4y-28=2y+4\\ 2y=32\\ y=16$

Answer 2

distribute useing distribtive
a(b+c)=ab+ac

2(y+2)=2y+4

4y-28=2y+4
subtract 2y from both sides
2y-28=4
add 28 to both sdies
2y=32
divide by 2
y=16