Answer:
when the 9x moved to the other side he didnt change the sign
Step-by-step explanation:
-8x +32 = 9x-9
-9x - 8x + 32 = 9
Multiply both sides by -7 and switch the sign. t<-70
Answer:
the answer is 18 burgers
Step-by-step explanation:
u have to do 4 1/2÷1/4=18 burgers
Hope this helps!!!
One solution.
-20 divided by 5 is equal to -4. Unless both sides have the same number or one side has -=0 then it’s one solution
Answer: 12 sqrt(5)
Explanation:
First simplify:
= Sqrt(45)
= sqrt(9*5) sqrt of 9 is 3 so bring out 3
= 3sqrt(5)
= 2sqrt(20)
= 2sqrt(4*5) sqrt of 4 is 2 so bring that out and multiply it by 2
= 4sqrt(5)
= 5 sqrt(5) is already simplified
= 3sqrt(5) + 4 sqrt(5) + 5sqrt(5)
= 12 sqrt(5)
