2 years ago

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

2 answers:

lana [24]2 years ago

6 0

X + y = 8

-1 + y = 8
y = 8 + 1
y = 9

3 0

Plug -1 into the equatiop and solve for y.
-1+y=8
add +1 on both sides
y = 9

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