Answer:
50
Step-by-step explanation:
quanto é 50% de 200 and this the right answer
Answer:
51
Step-by-step explanation:
plug in
8(6)- (-3)
48-(-3)
51
See, pls, offered explanation:
1) the both equations are linear function, it means system made up of the both equation has the only solution.
2) if to prove this:

Answer: one solution.