Answer:
Multiply the first equation by five to yield, 15x + 5y = 45. Add this equation to the second equation from the given,
15x + 5y = 45
+ 3x - 5y = 15
The answer would be 18x = 60. The value of x is 10/3. Therefore, the answer to this item is letter A.
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Step-by-step explanation:
1st is parallel
2nd is perpendicular
3rd is perpendicular
4th is perpendicular
Answer: -3/7- 4/7
Step-by-step explanation:
