Write the equation in standard form.
y + 4 = -12/7 (x - 1)

7y+12x=-16

y-step explanation:

Multiply everything by 7 to get rid of the fractions.

Distribute the 12 into (x-1)

Then subtract 28 from the 12

Finally add the 12x over

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)