|question 2 |

correct and fastest answer gets brainliest & full ratings.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Find the solution of this system of equation -7x+y=-20 9x-3y=36

What number line represents the solution set for the inequality -1/2 greater than or equal to 4