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KatyaKot96
@KatyaKot96
August 2022
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Kixcertborn2
Verified answer
Ответ................................................
0 votes
Thanks 1
vmaluga2011
1/3х+1/4у=0
2/3х+3/5у=8,8
4/12х+3/12у=0 (умножим на 12)
10/15х+9/15у=8,8 (умножим на 15)
4х+3у=0 (умножим на 3)
10х+9у=132
12х+9у=0
10х+9у=132 (вычтем из первого второе)
2х=-132
х=-132:2
х=-66 (подставим в первое)
4*(-66)+3у=0
-264+3у=0
3у=264
у=264:3
у=88
Ответ: х=-66; у=88;
1 votes
Thanks 1
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Answers & Comments
Verified answer
Ответ................................................2/3х+3/5у=8,8
4/12х+3/12у=0 (умножим на 12)
10/15х+9/15у=8,8 (умножим на 15)
4х+3у=0 (умножим на 3)
10х+9у=132
12х+9у=0
10х+9у=132 (вычтем из первого второе)
2х=-132
х=-132:2
х=-66 (подставим в первое)
4*(-66)+3у=0
-264+3у=0
3у=264
у=264:3
у=88
Ответ: х=-66; у=88;