(x + 3)/2 - (y - 2)/3 = 2
(x - 1)/4 + (y + 1)/3 = 4
Складываем
(x + 3)/2 - (y - 2)/3 + (x - 1)/4 + (y + 1)/3 = 2 + 4
2(x + 3)/4 + (x - 1)/4 - (y - 2)/3 + (y + 1)/3 = 6
(3x + 5)/4 + (y - y +2 + 1)/3 = 6
(3x + 5)/4 + 1 = 6
3x + 5 = 5 * 4
3x = 15
x = 5
(5 - 1)/4 + (y + 1)/3 = 4
1 + (y + 1)/3 = 4
y + 1 = 3*3
y = 9 - 1
y = 8
Ответь (5, 8)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
(x + 3)/2 - (y - 2)/3 = 2
(x - 1)/4 + (y + 1)/3 = 4
Складываем
(x + 3)/2 - (y - 2)/3 + (x - 1)/4 + (y + 1)/3 = 2 + 4
2(x + 3)/4 + (x - 1)/4 - (y - 2)/3 + (y + 1)/3 = 6
(3x + 5)/4 + (y - y +2 + 1)/3 = 6
(3x + 5)/4 + 1 = 6
3x + 5 = 5 * 4
3x = 15
x = 5
(5 - 1)/4 + (y + 1)/3 = 4
1 + (y + 1)/3 = 4
y + 1 = 3*3
y = 9 - 1
y = 8
Ответь (5, 8)