Question

HELP IM TIMED PLEASE

Emesto tried to determine the solution for the system of equations using substitution. His work is shown below. x-y=7 3x – 2y = 8 Step 1: x= y + 7 Step 2: 3y + 7) – 2y = 8 Step 3: 3y + 7 – 2y = 8 Step 4: y + 7 = 8 Step 5: y = 1
in which step did Ernesto make the first error?
A. step 1
B. Step 2
C. step 3
D. step 4​

Answer 1

Explanation:

d or step 4

explanation- just took test

Answer 2

d step 4

Explanation:

hope it helps you on what u are doing