Answer:
x = 30
Step-by-step explanation:
0.6x - 8 = 19 - 0.3x
Add 0.3x to both sides;
0.9x - 8 = 19
Add 8 to both sides;
0.9x = 27
Divide both sides by 0.9
x = 30
Answer:
7 feet
Step-by-step explanation:
becuse you do 15-8 and get 7
Answer:
5
Step-by-step explanation:
These are functions, the number in the parentheses shows you what number you will replace x with
If f(x) = x + 3, then f(-1) is -1 + 3
So, -1 + 3 = 2. g(2) = 2(2) + 1 = 4 + 1 = 5
Hope this helps friend.
Answer:
Step-by-step explanation:

multiply by
on each side

add 1 on both sides 
make it equal 0

Factor

answer is 3 and -1
Answer:
3
Step-by-step explanation: