Question

solve: 37x+41y=70 and
41x+37y=86

Answer 1

first add eq 1 and 2.

you get 78x+78y=156

take 78 common.

you get X+y =2#eq4

similarly subtract eq 2 from 1

you get 4x-4y=16

take 4 common

x-y=4#eq3

add 3 and 4

2x=6, X=3

y=-1.

#follow