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dashuta11
@dashuta11
July 2022
2
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Решите систему уравнений y-x = 8 и 2y + 2x = 60
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kotovskiy96
y-x = 8 | x2
2y+2x = 60
2y-2x = 16
2y+2x = 60
+
2y= 76
y = 38
Подставим
78 -x = 8
-x = -70
x=70
Ответ: (70,38)
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oksana239
Y=8+x
2×{8+x}+2x=60
16+2x+2x=60
4x=60-16=44
x=44/4=11
y=8+11=19
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Answers & Comments
2y+2x = 60
2y-2x = 16
2y+2x = 60
+
2y= 76
y = 38
Подставим
78 -x = 8
-x = -70
x=70
Ответ: (70,38)
2×{8+x}+2x=60
16+2x+2x=60
4x=60-16=44
x=44/4=11
y=8+11=19