Question

express y in terms of x , it being given that 3x+y-9=0​

Answer 1

Answer:

3x+x-9=0

4x-9=0

4x=9

x=9/4

x=2.25

y=2.25

Answer 2

Answer:

3x+y-9 = 0

3x+y=9

now

y=9-3x