Question

If x is equal to A Y is equal to b is the solution of the pair of linear equation x minus 5 is equal to 2 and X + Y is equal to 4 find the values of a and b

Answer 1

x-5=2

x=7

x+y=4

7+y=4

y=-3

7=A×-3

a=-7÷3

b=-7÷3