Question

Find the value of a and b if (1,-1) and (3,2) are solution of ax + by = 3

​

Answer 1

Answer:

see the attachment.

hope it helps.

Answer 2

Answer:

$a \times 1 + b \times 1 = 3 \\ a - b = 3 \\ a = 3 + b \\ \\so \: the \: answer \: is \\ a = 3 + B € R$