Answer:
y= -3
Step-by-step explanation:
4(2) - 3y = 17
8-3y=17
-8 -8
-3y=9
______
-3
y=-3
Answer: a = 30
Step-by-step explanation:
X=2. As you write out the equation your first step is to isolate the variable, do 3x-9x=6x then add 10 to 2 you equation is 6x=12 them divide each side by 2 and you get x=2
Since 27 times 9 = 243
Therefore, there are 243 cookies in each case