Solve by elimination 2x+y=16 3x-y=4

2 answers:

6 0

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)

Lilit [14]4 years ago

3 0

For the first one its x=8 y=16
second one x= 1.33 y=-4

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