Question 555662: y=-x+10
y=x+2
Answer by Maths68(1474)   (Show Source):
You can put this solution on YOUR website! y=-x+10.........(1)
y=x+2...........(2)
Add (1) and (2)
y=-x+10
y=x+2
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2y=12
2y/2=12/2
y=6
Put the value of y in (2)
y=x+2...........(2)
6=x+2
6-2=x
4=x
x=4
x,y=4,6
Check
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Put the values of x and y in (1)
y=-x+10.........(1)
6=-4+10
6=6
Put the values of x and y in (2)
y=x+2...........(2)
6=4+2
6=6
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