Question

7th grade math help me please

Answer 1

for number 1: y = 4

for number 2: k = -8

for number 3: d = 21

Explanation:

Answer 2

Explanation:

1. 7y=28

7÷7y=28÷7

y=4

2.-4k=40-8

-4k÷-4=32÷-4

k= -8

3. 47+5=2d

42=2d

42÷2=2d÷2

21=d