Answer:
Step-by-step explanation:
x - 3y -15
x = -3
Steps:
18 x 2
What is that?
You can also think of it as 9 x 4 if that is easier
Then whatever you got for that, add 21 then subtract 12 and add 1
What model? also it would be 1/2 and 1/3
Step-by-step explanation:
