1) 3(x-2)=4x
3x - 6 = 4x
-x = 6
x = 6
2) 6(z-1) = 18
z - 1 = 3
z =3+1
z = 4
3) 5(y+3)=10
y + 3 = 2
y = 2 - 3
y = -1
4)3(2x-7)=9
6x - 21 = 9
6x = 30
x =5
5) -4(x - 2)= -6
-4x + 8=-6
-4x = -14
x = 3.5
6)3(x-5)=x+3
3x - 15 = x+3
2x = 18
x = 9
Пошаговое объяснение:
1) 3(x-2)=4x
3x - 6 = 4x
-x = 6
x = 6
2) 6(z-1) = 18
z - 1 = 3
z =3+1
z = 4
3) 5(y+3)=10
y + 3 = 2
y = 2 - 3
y = -1
4)3(2x-7)=9
6x - 21 = 9
6x = 30
x =5
5) -4(x - 2)= -6
-4x + 8=-6
-4x = -14
x = 3.5
6)3(x-5)=x+3
3x - 15 = x+3
2x = 18
x = 9
Пошаговое объяснение:
Пошаговое объяснение: