Помните решить уравнения:
1) 3(х-2)=4; 2) 5(у+3) = 10;
3) 3(2х-7) =9; 4) 6(z-1) = 18.
1) 3(х-2)=4; 2) 5(у+3) = 10;
3) 3(2х-7) =9; 4) 6(z-1) = 18.
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Answers & Comments
3x=10
x=10/3
2)5y+15=10
5y=-5
y=-1
3) 6x-21=9
6x=-12
x=-2
4)6z-6=18
6z=12
z=2