Решите уравнения:
1)0.2x+2.7=1.4-1.1x
2)5.4-1.5x=0.3x-3.6
3)[tex] \frac{3}{8}x +15= \frac{1}{6}x+10[/tex]
1)0.2x+2.7=1.4-1.1x
2)5.4-1.5x=0.3x-3.6
3)[tex] \frac{3}{8}x +15= \frac{1}{6}x+10[/tex]
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Answers & Comments
1.3х=-1.3
х=1.3:1.3
х=-1
2) 5.4+3.6=0.3х+1.5х
9=1.8х
х=9:1.8
х=5
3) 1/8х-1/6х=10-15
-1/24х=-5
х=-5:(-1/24)
х=120