Question

 If x=1 and y=1 is the solution of ax +3y = 7 and x+by =4, then the value of a+b =_______


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Answer 1

Answer: a+b =7

Step-by-step explanation: If x=1,y=1 then a+3=7 and 1+b=4

then a=7-3=4

and b=4-1=3

therefore a+b =4+3=7

Answer 2

Answer:

a = 4

b = 3

a + b = 7

Step-by-step explanation:

a + b = 4 + 3

= 7