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:
last one
Step-by-step explanation:
because it's correct
x is greater than or equal to 3
d
the base must be raised
for example
55 = n ( the base is 10 ), then
55 =
