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galina1969 [7]
2 years ago
13

Select the correct answer. The elimination method is ideal for solving this system of equations. By which number must you multip

ly the second equation to eliminate the y-variable, and what is the solution for this system? x + 3y = 42 2x − y = 14 A. Multiply the second equation by -3. The solution is x = 12, y = 9. B. Multiply the second equation by -2. The solution is x = 12, y = 10. C. Multiply the second equation by 2. The solution is x = 15, y = 9. D. Multiply the second equation by 3. The solution is x = 12, y = 10.(help i will give brainliest.)
Mathematics
2 answers:
Reptile [31]2 years ago
7 0

Answer:

c

Step-by-step explanation:

Multiply the second equation by 2. The solution is x = 15, y = 9.

vesna_86 [32]2 years ago
3 0

Answer: D

Step-by-step explanation:

It’s 3y so to get rid of the y variable you divide by what number is in front of it

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About 79 boys i think

Step-by-step explanation:

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