Question

Selesaikan PLSV berikut!!!
1.) 2 1/4+5(1-y)=2(1/3-2y)
2.) 392x-1/40=5(x+1/2)

Answer 1

1)9/4+5-5y=2/3-4y
29/4-5y=2/3-4y
-5y+4y-2/3+29/4=0
-y-8/12+87/12=0
-y+79/12=0
-y=-79/12
y=79/12



No 2 itu x artinya kali/huruf ex?