Пошаговое объяснение:
х = 2/3х + 1
х - 2/3х = 1
1/3х = 1
х = 1 : 1/3
х = 1 * 3/1
х = 3/1
х = 3
х - 1/2 = 3/4х
х - 3/4х = 1/2
1/4х = 1/2
х = 1/2 : 1/4
х = 1/2 * 4/1
х = 4/2
х = 2
х - 2/3 = 5/6х
х - 5/6х = 2/3
1/6х = 2/3
х = 2/3 : 1/6
х = 2/3 * 6/1
х = 12/3
х = 4
5/4у = у + 4
5/4у - у = 4
1 1/4у - у = 4
1/4у = 4
у = 4 : 1/4
у = 4 * 4/1
у = 16/1
у = 16
2/3у - 1/3 = 5/9у
2/3у - 5/9у = 1/3
6/9у - 5/9у = 1/3
1/9у = 1/3
у = 1/3 : 1/9
у = 1/3 * 9/1
у = 9/3
у = 3
3/4у - 2/3 = 7/12у
3/4у - 7/12у = 2/3
9/12у - 7/12у = 2/3
2/12у = 2/3
у = 2/3 : 2/12
у = 2/3 * 12/2
у = 24/6
у = 4
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Answers & Comments
Пошаговое объяснение:
х = 2/3х + 1
х - 2/3х = 1
1/3х = 1
х = 1 : 1/3
х = 1 * 3/1
х = 3/1
х = 3
х - 1/2 = 3/4х
х - 3/4х = 1/2
1/4х = 1/2
х = 1/2 : 1/4
х = 1/2 * 4/1
х = 4/2
х = 2
х - 2/3 = 5/6х
х - 5/6х = 2/3
1/6х = 2/3
х = 2/3 : 1/6
х = 2/3 * 6/1
х = 12/3
х = 4
5/4у = у + 4
5/4у - у = 4
1 1/4у - у = 4
1/4у = 4
у = 4 : 1/4
у = 4 * 4/1
у = 16/1
у = 16
2/3у - 1/3 = 5/9у
2/3у - 5/9у = 1/3
6/9у - 5/9у = 1/3
1/9у = 1/3
у = 1/3 : 1/9
у = 1/3 * 9/1
у = 9/3
у = 3
3/4у - 2/3 = 7/12у
3/4у - 7/12у = 2/3
9/12у - 7/12у = 2/3
2/12у = 2/3
у = 2/3 : 2/12
у = 2/3 * 12/2
у = 24/6
у = 4