Помогите дам 15 баллов.Уравнения 6 класс
-5(0.8z-1.2)=7*7.2
5.6(x-5)=0.5*(x-2)=7.8
-3(2.4p-7)+4.8=-6.7+9.4
(2.3x-11.2):0.7=(1.7x-9.4):(-2.1)
11-5y=12-6 y
x:13.5=1.2:0.4
2.5:6.8=-1.5:y
3x-17=8x+18
0.3(x-2)=0.6+0.2*(x+7)
4(3-x)-11=7(2x-5)
-5(0.8z-1.2)=7*7.2
5.6(x-5)=0.5*(x-2)=7.8
-3(2.4p-7)+4.8=-6.7+9.4
(2.3x-11.2):0.7=(1.7x-9.4):(-2.1)
11-5y=12-6 y
x:13.5=1.2:0.4
2.5:6.8=-1.5:y
3x-17=8x+18
0.3(x-2)=0.6+0.2*(x+7)
4(3-x)-11=7(2x-5)
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Answers & Comments
-4z=50.4-6
-4z=8.4
z=8.4/(-4)
z=-2.1
b) 5.6x-28=0.5x-1=7.8
5.6x-0.5x=7.8+28+1
5.1x=36.8
x=36.8/5
x=7.36