Answer:
B. 1 and -2
Explanation:
First, add up the equations:
x-x+3y+y=4
4y=4
y=1
Now, plug y into any of the original equations above and solve for x:
-x+1=3
-x=2
x=-2
Therefore, the answer is B. 1 and -2

5 0

3 years ago

Stacy borrowed 22 books from the library this summer. She read three books each week, and at the end of the summer, there were 4

tino4ka555 [31]

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3 0

3 years ago

Read 2 more answers

An exam has two probability problems, 1 and 2. If 37% of the students solved problem 1 and 12% of the students solved both probl

yan [13]

Answer:

63%

Step-by-step explanation:

37% did not solve problem 2

100% - 37% = 63%

3 0

3 years ago