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N76 [4]
3 years ago
10

−x+3y=−15, 3x+3y=21 elimination

Mathematics
1 answer:
Vikentia [17]3 years ago
7 0

Answer: x= - 6/7, y= - 129/12

Explanation:

use the addition/elimination method to solve for x. then sub in and test then lastly, multiply everything by 7 to eliminate the fraction

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