Answer:
x>−6,x<−12
Step-by-step explanation:
Break down the problem into these 2 equations.
x+9>3x+9>3
-(x+9)>3−(x+9)>3
Solve the 1st equation: x+9>3x+9>3.
x>-6x>−6
3 Solve the 2nd equation: -(x+9)>3−(x+9)>3.
x<-12x<−12
Collect all solutions.
x>-6,x<-12x>−6,x<−12
The third option as you can must flip the second devision part of the equation and make the devision in the middel a multiplication.
Answer:
Five times the difference of n and four plus seven
Step-by-step explanation:
Five times the difference of n and four plus seven
-9 because a negative plus a negative is a negative so -5+-4 or -5-4 is -9
Answer:
20
Step-by-step explanation:
