x is a partly constant and partly varies with y when y =3, x=7 and when y=6, x=9, find the relationship between x and y.Hence find x when y=4. solution?.

Answer 1

x is a partly constant and partly varies with y: x = ay+b
Now just plug in your numbers and solve for a&b:
3a+b = 7
6a+b = 9
Once you know a and b, you can find x when y=4

Answer 2

Thank you

Answer 3

Mathematics solving

Answer 4

Help me

Answer 5

I need the answer of the first question

Answer 6

(2√2 +3√45)