(x-5)*2=6
x-5=6:2
x-5=3
x=3+5
x=8
(7-x)=4*3
7-x=12
-x=12-7
-x=5
x=-5
(2x+1)*0,8=4
2x+1=4:0,8
2x+1=5
2x=5-1
2x=4
x=4:2
x=2
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Answers & Comments
(x-5)*2=6
x-5=6:2
x-5=3
x=3+5
x=8
(7-x)=4*3
7-x=12
-x=12-7
-x=5
x=-5
(2x+1)*0,8=4
2x+1=4:0,8
2x+1=5
2x=5-1
2x=4
x=4:2
x=2