Asked by Amber

is (-1, 5) a soultion for each system?

x + y = 4

x=-1

can someone please explain how to solve this?

thanks.
Answered by bobpursley
Yes, it is.

Put in -1 for x in the first equation, solve for y.
Answered by Ms. Sue
-1 + y = 4
y = 4 + 1
y = 5
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