How to solve 4x-y=3
3x+y=4
using subsitution
1 answer:
The answer for X is 3 and the answer for Y is 9
Step-by-step explanation:
So, if you plug in 3 for x you would have to multiply 3×4, which is 12 then if you replace y for a 9 ,well you have to subtract 12-9 and get 3.
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