Question

Complete the solution of the equation. find the value of y when x equals 1.

9x +7y= -12​

Answer 1

`y=-3`

Explanation:

Given Equation:

`9x +7y=-12\\` y=? at x= 1

Putting the given value of 'x' in the equation:

`9(1) +7y=-12\\\\9+7y=-12\\\\7y=-12-9\\\\7y=-21\\\\y=-(21)/(7) \\y=-3`

At
`x=1`, the value of y is
`y=-3`