Question

please solve thisquestion

Answer 1

3x+4y=11
3x=11-4y
x=11-4y/3
putting the value of x in eqn
3(11-4y/3)+4y=11
33-12y+4y/3=11
33-8y=11×3
-8y=33-33
y=-0/8
y=0
Again putting the value of y in eqn to find x
3x+4(0 )=11
3x=11-4
x=7/3