1. Mateo plans to solve the system below using elimination. Which is a reasonable first step Mateo could take? -X + 6y=9 3x + 2y
= 13 - A. Multiply the 2nd equation by 3 - B. Multiply the 2nd equation by -3 C. Multiply the 1st equation by - 3 D. Any of the above
1 answer:
Answer:
C
Step-by-step explanation:
multiply the 1st equation by -3
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Just divide 105 by 20
this gives you 5 5/20
this can then be reduced to 5 1/4
answer: 5 1/4
