3 years ago

7th grade math help me please

Mathematics

2 answers:

g100num [7]3 years ago

8 0

Step-by-step 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

Cloud [144]3 years ago

6 0

Answer:

for number 1: y = 4

for number 2: k = -8

for number 3: d = 21

Step-by-step explanation:

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