The answer is D.
It explains it there.
Answer:
-2x - 15
Explanation:
(2x - 6) - (4x + 9)
2x - 6 - 4x - 9
-2x - 15
The problem says that 10x^2 = 80x. Since x is guaranteed not to equal zero, divide both sides by x; 10x=80. Divide both sides by 10 and x=8
Answer: B
Step-by-step explanation:
more detailed approach to observation than other people.
You do 15/4 MULTIPLIED by 2/5 (you change the division sign to a multiplication sign) then you multiply the fractions : 15*2=30 and 4*5=20 so it would equal to 30/20 which can be halved to give 15/10
