Question

1. (A) Select and write the most appropriate alternative from those given below :
If x = 1 and y= 1 is the solution of ax + 3y = 7 and x + by = 4, then the value
of a +b= ...
(a) - 8
(b) 0
(c) 4
(d) 7​

Answer 1

Answer:

answer is 7 .hope it will help you.

thank you very much.if it is right and. then please give me sympathy

Answer 2

Answer:

ax+3y=7

x=1,y=1

a+3=7

a=4

x+by=4

1+b=4

b=3

a+b=

=4+3

=7Ans