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Helga [31]
3 years ago
7

Solve each system of equations graphically, and check y=2x +5y= x + 4

Mathematics
1 answer:
Vikentia [17]3 years ago
4 0
I will be using the substitution method
y=2x+5  
y=x+4     
____________
because y=y and they are the same,
2x+5=x+4
-5          -5
-------------
2x=x-1
-x     -x
------------
x=-1
then plug in
y=2x+5
y=2(-1)+5
y=-2+5
y=3
____________
y=x+4
y=(-1)+4
y=3
the answers are the same, that is the check

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