Seudónimo Seudónimo
  • 16-01-2019
  • Mathematics
contestada

2x + y = -2
x + y = 5
The x-coordinate of the solution to the system shown is _____.
A. -7
B. -3
C. 3
D. 7

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clairey622
clairey622 clairey622
  • 16-01-2019
Answer is A
if x+y=5
y= -x+5
2x + (-x+5) =-2
2x -x +5 = -2
x+5 = -2
x=-7

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Аноним Аноним
  • 16-01-2019

Answer:

The answer is A

Step-by-step explanation:


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