Пж помогите найти корень уравнения
1)3(х-2)=4х
2)5(у+3)=10
3)х-3/6=7/3
/-дробная черта (деление)
1)3(х-2)=4х
2)5(у+3)=10
3)х-3/6=7/3
/-дробная черта (деление)
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1) 3(x - 2) = 4x3x - 6 = 4x
3x - 4x = 6
-x = 6
x = -6
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2) 5(y + 3) = 10
5y + 15 = 10
5y = 10 - 15
5y = -5
y = -1
===============
3) x - 3/6 = 7/3
x = 7/3 + 3/6
x = (7*2+3)/6
x = 17/6
x = 2 5/6
3х - 6 = 4х
-6 = 4х - 3х
-6 = х
Ответ: -6
2) 5(у + 3) = 10
5у + 15 = 10
5у = 10 - 15
5у = -5
у = -1
Ответ: -1
3) (х - 3)/6 = 7/3
3(х - 3) = 6 × 7
3х - 9 = 42
3х = 42 + 9
3х = 51
х = 17
Ответ: 17