timozy95
26.10.2020 •
Mathematics
The value of c in this system of equations is 1. 3x+y=9
y=-4x+10
1.Substitute the value of y in the first equation:
2.Combine like terms:
3.Apply the subtraction property of equality:
4.Apply the division property of equality:
3x+(-4x+10)=9
-x+10=9
-x=-1
x=1
What is the value of y?
Y=
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