Answer:
Check photo below.
Step-by-step explanation:
2x + y = 12
2x = 12 - y
x + 2y = -6
2y = -6 - x
2x + 2y
12 - y + (-6) - x
12 + (- 6) - y - x
12 - 6 - y - x
6 - y - x
Answer: - x - y + 6
Answer:
15/30= 1/2 of 50%
Step-by-step explanation:
66 mph and if it was 22 1/2 like my question was it would be 67.5 mph.
Question, I that the Algebra nation book????