Step:6x+12y-6z+7x+7y-28z
Answer:13x+19y-34z
Answer:
20 and 40
Step-by-step explanation:
120/2=60
3x=60
x=20
20x2=40 since it is two times
Answer:
C
Step-by-step explanation:
As x goes up, y goes down
Answer:
Step-by-step explanation:
problem 13:
12g+24, 3(4g+8)
problem 14
9a+6, 3(a+2)+6a
6(a+1)+3a
It would be 1.63 because if you multiplied it by 5 you would get 8.15