Answer:
I don't know sorry..........
Answer:
B.
Step-by-step explanation:
Since 21 is divided by 3 you might think that it is equivalent but remeber you have to divide by both sides, so if you divide 21 by 7 it works but 28 by seven does not! Hope this helps!
Answer:
divide 90 and 30 to see what you got
Step-by-step explanation:
Im not %100 sure but i think its 24a^2 - 42ab - 24b2
Answer:
x = 15
Step-by-step explanation:
To solve this equation use, inverse operations,
![\frac{x}{3} + 10 = 15\\-10\\\\\frac{x}{3}=5\\*3\\\\x = 15](https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B3%7D%20%2B%2010%20%3D%2015%5C%5C-10%5C%5C%5C%5C%5Cfrac%7Bx%7D%7B3%7D%3D5%5C%5C%2A3%5C%5C%5C%5Cx%20%3D%2015)