1) 7 - ( 3 + 2х ) = 6
2) 8 ( 2-3х) = 6х-14
3) - ( х - 5,8 - у ) - (11,3-х)
4) 6х = 28 - х - ( х - 4 )
СРОЧНО!!
2) 8 ( 2-3х) = 6х-14
3) - ( х - 5,8 - у ) - (11,3-х)
4) 6х = 28 - х - ( х - 4 )
СРОЧНО!!
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Answers & Comments
1) 7-(3+2x)=6
7-3-2x=6
-2x=6-7+3
-2x=2
2x=-2
x=-1
2) 8(2-3x)=6x-14
16-24x=6x-14
-24x-6x=-14-16
-30x=-30
30x=30
x=1
3) -(x-5,8-y)-(11,3-x)=-x+5,8+y-11,3+x=5,8+y-11,3=y-5,5
4) 6x= 28-x-(x-4)
6x= 28-x-x+4
6x+x+x=28+4
8x=32
x=4