kaylarose0322 kaylarose0322

18-01-2017
Mathematics

Answered

x+ y =5

3x-y=7

solve each system of equations by the addition method

Verified Answer :

Anonymous Anonymous

18-01-2017

X=3
Y=2
Use the "Guess and Check Method"
For example, I inputed 2 for X and found that it was too small to work for the second equation, so I put in 3. Then for Y, I input 2 because 3+2=5. I put 2 in to replace Y in the second equation (3x-y=7) to see that 9-2=7. Therefore, X=3 and Y=2

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