Step-by-step explanation:
multiply 5x+2y=19 by 3 youll get 15x+6y=57
eliminate y
7x-6y=9
<u>15x+6y=57</u><u> </u> +
22x=66
x=3
substitute x to 5x+2y=19
15+2y=19
2y=4
y=2
Answer:
C is the answer
Step-by-step explanation:
Answer:
Option D
Step-by-step explanation:
because you have the ability to get 2/5 answers if it is supposed to be probable less than 3.