2 and 4 because they all multiply and add up to 12 and 20
Both arrive after P Waves.
Answer:
Step-by-step explanation:
-12+5x=-24+x
4x=-12
x=-3
First you cross multiply.
2*(b-4)=6b
Then distribute the 2.
2b-8=6b
Minus 2b from each side.
-8=4b
Divide each side by 4.
-2=b
So -2 is your answer.
30 is 20% of the number 150
