Answer:
4x+6
Step-by-step explanation:
Perimeter (P) = 2l+2w
w=x+3
l=x
P=2x+2(x+3) --> 2x+2x+6
Combine like terms: 4x+6
A+b+c= 3932
a=b+1330
a=c+1740 ⇒c=a-1740⇒c=(b+1330)-1740
Obt.
b+1330 +b+(b+1330)-1740=3932 ⇒3b+2660-1740=3932⇒3b+920=3932⇒3b=3932-920⇒3b=3012⇒b=3012/3⇒

a=b+1330⇒a=1004+1330⇒

c=a-1740⇒c=23334-1740⇒
Answer:
x = 5
Step-by-step explanation:
5x5 = 25
25- 10 = 15
15 = 15