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0,3 x + 1, 5 = 1,8
3 - 3 (x + 8) + -6
4 (x + 5) -2 = -2
3 (x - 2 ) -24= -15
3c + 26 = 14
28-4 ( x - 7) +36
24-5x =3x - 24
7x - 13 =15
3a +28 = 82 - 6 a
0,3 x + 1, 5 = 1,8
3 - 3 (x + 8) + -6
4 (x + 5) -2 = -2
3 (x - 2 ) -24= -15
3c + 26 = 14
28-4 ( x - 7) +36
24-5x =3x - 24
7x - 13 =15
3a +28 = 82 - 6 a
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Answers & Comments
0,3х=1,8-1,5
0,3х=0,3
х=1
2) 3-3(х+8)=-6
3-3х-24=-6
-3х=-6-3+24
-3х=15
х=-5
3) 4(х+5)-2=-2
4х+20-2=-2
4х=-2-20+2
4х=-20
х=-5
4) 3(х-2)-24=-15
3х-6-24=-15
3х=-15+6+24
3х=15
х=5
5) 3с+26=14
3с=14-26
3с=-12
с=-4
6) 28-4(х-7)=36
28-4х+28=36
-4х=36-28-28
-4х=-20
х=5
7) 24-5х=3х-24
-5х-3х=-24-24
-8х=-48
х=6
8) 7х-13=15
7х=15+13
7х=28
х=4
9) 3а+28=82-6а
3а+6а=82-28
9а=54
а=6