Answer:
3
Step-by-step explanation:
3
2(2)+4(-1)=4+-4=0, so your answer is 0 hope this helps
Answer:
x=-4
Step-by-step explanation:
The given equation is

Subtract 3 from both sides.


Divide both sides by -2.


If |x|=a, then x=a or x=-a.

Case 1: 
Subtract 1.5 from both sides.


Divide both sides by 0.5.

Case 2: 
Subtract 1.5 from both sides.


Divide both sides by 0.5.

Therefore, one solution is x=-2 and other solution is x=-4.
Answer: d 99
Step-by-step explanation: