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Reika [66]
3 years ago
10

<br />How do I solve 2x+y=10

Mathematics
2 answers:
ololo11 [35]3 years ago
7 0
X is 3 y is 4 hope this helps :)
ira [324]3 years ago
4 0
Hello :
the system is : 
2x+y =10 ...(1)
x= 3y+4.....(2) 
subst in (1) :
2(3y+4)  +  y = 10
6y +8 + y= 10
7y=2
y= 2/7
x= 3(2/7)+4 = 34/7
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