Well first you substitute -3 for y and then subtract 12 from both sides of the equation and it should look like -15=-3x. Then divide 3 on both sides and you should end up getting 5=x.
Answer:
? do you have a screenshot or picture
Step-by-step explanation:
5/5 is 1/1 but the simplest form is just 1
Answer:
p to the power of 12
Step-by-step explanation:
hope this helps!
Y=68+4x
100=68+4x
-68=-68
32=4x
Divide both sides by 4
x=it will take 8 min. for the water to reach 100 degrees
y=total degrees
x=# of minutes