SOLUTION: 2x+3=5y 2x+y=7
Algebra
->
Systems-of-equations
-> SOLUTION: 2x+3=5y 2x+y=7
Log On
Algebra: Systems of equations that are not linear
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Systems-of-equations
Question 238723
:
2x+3=5y
2x+y=7
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
2x-5y=-3
-(2x+y=7) subtract
---------------
-6y=-10
y=-10/-6
y=5/3 ans
2x-5*5/3=-3
2x-25/3=-3
2x=25/3-3
2x=25/3-9/3
2x=16/3
x=(16/3)/2
x=(16/3*1/2
x=16/6
x=8/3 anw.
Proof:
2*8/3+5/3=7
16/3+5/3=7
21/3=7
7=7