ANSWER IN THE ATTACHMENT ABOVE......
Answer:
19
Step-by-step explanation:
2x+5+4x+6=53
6x+11=53
6x+11-11=53-11
6x=42
6x/6=42/6
x=7
Checking...
6(7)+11=42+11=53
53=53
Correct. Now, plug x into the equation for BC.
2(7)+5=14+5=19
BC=19
Hope this helps!
