3x + 5 (first plug in 2 for x )
3(2) + 5 =
6 + 5 = 11
Hope this helps . Give brainliest
Answer:
x=11
Step-by-step explanation:
by simplifying we get x=11
You subtract and find x=10
Answer:
12c +9 = Perimeter
Step-by-step explanation:
The perimeter of a triangle is found by adding all the sides
3c+4 + 5c-2 + 4c +7 = Perimeter
Combine like terms
12c +9 = Perimeter