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EastWind [94]
3 years ago
10

What's 4x+2y=10 X-y=13

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0
X=y+13 then put in above

4(y+13)+2y=10
4y+52+2y=10

6y=-42

divide by 6
y=-7


Now put in X=y+13
x=-7+13
x=6
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