Ответ:
1) x = -6
2) y = -1
3) x = 3,5
Пошаговое объяснение:
1) 3(х - 2)=4х
3x - 6 = 4x
3x - 4x = 6
-x = 6
x = -6
2) 5(у + 3) = 10
5y + 15 = 10
5y = 10 - 15
5y = -5
y = -1
3) -4(х - 2) = -6
-4x + 8 = -6
-4x = -6 - 8
- 4x = -14
x = 3,5
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Answers & Comments
Ответ:
1) x = -6
2) y = -1
3) x = 3,5
Пошаговое объяснение:
1) 3(х - 2)=4х
3x - 6 = 4x
3x - 4x = 6
-x = 6
x = -6
2) 5(у + 3) = 10
5y + 15 = 10
5y = 10 - 15
5y = -5
y = -1
3) -4(х - 2) = -6
-4x + 8 = -6
-4x = -6 - 8
- 4x = -14
x = 3,5