Answer:
y= -x/3 -5 ; y = -4x + 1
Explanation:
FOR #9:
i can see how this can be confusing for people just starting out using the formula y=mx+b.
first, you want to bring the x to the other side to fit the format
it would become
3y = -x - 15
then, you want to divide both sides by 3, to get y alone. whenever dealing with the equation y=mx+b, you want to manipulate the equation so that y is alone (1)
it would become
y= -x/3 -5
that would be the first answer.
FOR #10:
this is a little simpler to solve if you have background with algebra or just using the slope intercept form ( y=mx+b )
first, you want to bring the y to the other side.
it would be
4x - 1 = -y
as i stated before, you need to manipulate the equation so that y is alone
divide both sides by -1
it would become
-4x + 1 = y
then you should just flip the equation so it is easier to read
y = -4x + 1 is the answer.
let me know if you have any qustions about my work. hope this helped!