Answer:
x=-2
Step-by-step explanation:
6(x + 1) = -2(3x + 9)
Distribute 6 and -2.
6x+6=-6x-18
Move the variable to the left-hand side and move the constant to the right and change their signs.
6x+6x=-18-6
Collect like terms.
12x=-24
Divide both sides of the equation by 12.
x=-2
Hope this helps :)
40 flights if you're asking how many flights happen in 1 hour.
You can subtract 4 from 13 then subtract 4 again
Answer:
The answer would be D
Step-by-step explanation:
This is a piecewise function, meaning that it is split into two parts. The right side is an exponential and that part is greater than one, the left side is a line less than or equal to one. The only equation that matches the criteria for that is D.
Answer:
x = - 3
Step-by-step explanation:
x² - 5 = 4
x² = 4 + 5
x² = 9
x = ± 3
the negative solution
x = - 3
