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Colt1911 [192]
3 years ago
8

X-3y=7 and 2x-6y=12 solving by elimination

Mathematics
1 answer:
Ber [7]3 years ago
7 0

x-3y=7    2x-6y=12

You can multiply -2 in the first equation like this.

x+6y=7

2x-6y=12

Now you can eliminate 6y and -6y so cross them out and do x-2 which is -1 and 7-12 which is -5 -1/-5 would be .2

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