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4х + Зу = 3 4x - 2y = 18 How to solve this?
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25 votes
4х + Зу = 3
4x - 2y = 18
How to solve this?

User Crlb
by
8.3k points

1 Answer

8 votes

Using elimination, you can do

4x+3y-(4x-2y)=3-(18)

5y=-15

y=-3

Substitute it back into original equation:

4x+6=18

4x=12

x=3

So, the answer is x=3, y=-3

User AdrienF
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8.1k points
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