Question 160022
4Y+3X=68
7Y-5X=37(?)
MULTIPLY THE FIRST EQUATION BY 5 & MULTIPLYTHE SECOND EQUATION BY 3 & ADD THEM.
20Y+15X=340
21Y-15X=111
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41Y=451
Y=451/41
Y=11 ANSWER FOR THE LARGER NUMBER.
4*11+3X=68
44+3X=68
3X=68-44
3X=24
X=24/3
X=8 ANSWER FOR THE SMALLER NUMBER.
PROOF:
7*11-5*8=37
77-40=37
37=37