Question

If x=1 and y=1 is the solution of a pair of linear equations ax+3y=7 and x+by=4 then the value the a+b=___​

Answer 1

Answer:

4

Step-by-step explanation:

On taking the first equation

a*1 + 3*1 = 4

a + 3 = 4

a = 1

On taking the second equation

1 + b*1 = 4

1 + b = 4

b = 3

a = 1 and b = 3

a + b = 3 + 1 = 4

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Answer 2

Answer:

in the above question 1st equation is ax+3y=7 not ax+3y=4

Please do the correction