Ответ:
а) y-1.08=1+0.2y
0.8y=2.08
y=2,6
б) 0.3-0.3с=с+0.04
-1.3с=-0.26
с=0.2
в) 3-5x=0.6x+0.3
-5,6x=-2,7
x=2,7/5,6
г) 1-3х+15=21-14х
-3х+16=21-14х
11х=5
х=5/11
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Answers & Comments
Ответ:
а) y-1.08=1+0.2y
0.8y=2.08
y=2,6
б) 0.3-0.3с=с+0.04
-1.3с=-0.26
с=0.2
в) 3-5x=0.6x+0.3
-5,6x=-2,7
x=2,7/5,6
г) 1-3х+15=21-14х
-3х+16=21-14х
11х=5
х=5/11