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ELEN [110]
3 years ago
12

-2x+15y=24 2x+9y=24, what is the value of x and y

Mathematics
1 answer:
kaheart [24]3 years ago
4 0
Eliminate x's by adding te 2 equations

add them

-2x+15y=24
<u>2x+9y=24 +</u>
0x+24y=48

24y=48
divide both sides by 24
y=2

sub back

2x+9y=24
2x+9(2)=24
2x+18=24
minus 18 both sides
2x=6
divide 2
x=3


x=3
y=2

(x,y)
(3,2)
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