Answer:
3x+6.9 and 3x-4
Step-by-step explanation:
since 3 x x is 3x and the sign in the bracket is addition you place it there then place 3 x 2.3
being 6.9.
1/3 x 9is 9/3 and 3 can multiply both sides to get 3/1 or 3 then bring the minus and 1/3 x 12 is 12/3 3 can multiply both sides to get 4/1 or 4
Answer:
the answer is the second to the left :D
Step-by-step explanation:
each number is divided then you solve\
you got all right just check it and do the other one
I believe the building is 75.5 meters long
