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1 vote
If x+y=8 find the value of y when x=-1

2 Answers

0 votes
x + y = 8

-1 + y = 8
y = 8 + 1
y = 9
User Lokiare
by
7.5k points
4 votes
Plug -1 into the equatiop and solve for y.
-1+y=8
add +1 on both sides
y = 9
User Auser
by
7.9k points

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