Question

Which ordered pair is a solution to
the equation
3x + 9y = 27 ?

Answer 1

x=9-3y

Explanation:

- Move the variable to the right & change its sign

3x + 9y = 27

- Divide both sides by 3

3x = 27 - 9y

- Write the solution x in parametric form

x=9-3y

- Solution:

x= 9-3y