Answer:
y= 2x + 4
x = 4 + 2
x = 6
Step-by-step explanation:
is it helpful please tell in comments
Answer:
11x+8 cm = Perimeter
Step-by-step explanation:
A triangle has 3 sides. We add up all three sides to get the perimeter.
s1+s2+s3 = Perimeter
(x+4) +( 3x+1) + (7x+3) = Perimeter
Combine like terms
11x+8 = Perimeter