Answer:
2(2/5x+2)= 2*2/5x + 2*2= 4/5x+4
Look it up on google. the problem is 3/3 - 1/3 - 1/8
Im sorry if I confused you, i stupid so i dont know why im answering other peoples question
Answer:

Step-by-step explanation:

1. set the equation for the area of each shape equal to each other
2. simplify each side until you get 
3. subtract 16 from both sides which will give you 
4. subtract 3x from both sides which will give you the value of x. 
5. check that
is correct by plugging it into the equations
triangle:

rectangle:

the areas are the same
Answer:
for number one, look at the screenshot attached, that should help
Step-by-step explanation:
The first choice is substitution because G s being substituted by C