Question

Resolver los siguientes sistemas

x/5+y/4=3/2 }

}
x/2+y/6=17/6 }

Answer 1

4x+5y=20(3)/2
4x+5y=30
6x+2y=12(17)/6
6x+2y=34
3(4x+5y)=30(3)
2(6x+2y)=34(2)
12x+15y=90....(I)
12x+4y=68......(II)
Restamos I-II
11y=22
y=2
x=5