Answer:
7.14
Step-by-step explanation:
Just use a calculator and type in the 
Answer:
➩ 
Step-by-step explanation:

➨ We can also solve by completing both squares, however. Since we can pull out the square root.
➩ Define of Absolute Value/Square Root
➩ 
Thus, our new equation is ➩ 
To solve an absolute-value equation, let there be two conditions.
➨ Where x ≥ 0

Move x to another side

➨ Where x < 0

Answer:
C
Step-by-step explanation:
Answer:
8x = 4x+30
x=7.5
Hope this helps!! Have a good day and remember to be tiger fierce!! :)