Answer:

Step-by-step explanation:

Answer:
x + 2
Step-by-step explanation:
Answer:
C 7 times 5 plus 7 times 4 is the answer
Answer:
x = -1
Step-by-step explanation:
AB + BC = AC = 28
the way from A to C goes through B.
so, the total way of A to C is the sum of the way from A to B and then from B to C.
=>
(5x + 10) + (2x + 25) = 28
7x + 35 = 28
7x = -7
x = -1