Answer :

Answer:

y=7

Step-by-step explanation:

x=1

y=7

7+1=8

So this shows why y=7 because 7 plus 1 equals to 8

Step-by-step explanation:

since x = 1 so it will become

1 + y = 8

so collect like terms.

y = 8 - 1

y = 7

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