Question

Find a value for a so that each of the following equations may have x=1, y=1

as a solution:

(i)3x+ay = 6 (iii)x-y = a

(ii)ax-2y = 10(iv)5x+3y = a

please answer all question
with the steps

Answer 1

Step-by-step explanation:

If x=1 and y=1 is given,

subst. them in the eqn...

i) 3 (1) +a (1)=6

3+a=6

a=6-3

a=3

ii) a (1)-2 (1)=10

a= 10+2

a=12

iii) (1)-(1)=a

a=0

iv) 5 (1)+3 (1)=a

a=8