Answer:
Value of 
Step-by-step explanation:
We have

We need to find 

Answer:
N/A
Step-by-step explanation:
The question is not solvable if it were 100-(x + 12)=x the answer is 44
Answer:
my opinion is A hope it helps
Answer:
Help me with my question
Step-by-step explanation:
B and a
barry=b
a=older bro
a is 3 more than 3b
a=3+3b
sum is 28
a+b=28
3+3b+b=28
3+4b=28
minus 3 both sides
4b=25
divide both sides by 4
b=6.25
a=3+3b
a=3+3(6.25)
a=3+18.75
a=21.75
barry=6.25 years
21.75 years=older bro