joker20
joker20
08-03-2017
Mathematics
contestada
Solve by elimination
2x+y=16
3x-y=4
Respuesta :
Kasshycupcake
Kasshycupcake
08-03-2017
Maybe try this
2x+y=16
3x-y=4
------------
Add the two equations to solve for "x":
5x = 20
x = 4
--------
Substitute to solve for "y":
2*4 + y = 16
y = 8
----------
Solution: (4,8)
Answer Link
leslieerh
leslieerh
08-03-2017
for the first one its x=8 y=16
second one x= 1.33 y=-4
Answer Link
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