Question

Show that the points (2,1) ,(11,2) and (20,3) are the solutions of the equation x=9y-7

Answer 1

Answer:

x=2 and y=1

2=9×1-7

∆2=2

lhs=rhs

x=11 and y=2

11=9×2-7

11=18-7

∆11=11

lhs=rhs

x=20 and y=3

20=9×3-7

20=27-7

∆20=20

lhs=rhs

Step-by-step explanation:

Mark me as Brainliest