1.7x+21+3.1x=57 помогите пожалуйста
1.7x+21+3.1x=57
1,7х+3,1х=57-21
4,8х= 36
х=36/4,8
х= 7.5
1,7x+3,1x=57-21
4,8x=36
x=36/4,8
x=7,5
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Answers & Comments
1.7x+21+3.1x=57
1,7х+3,1х=57-21
4,8х= 36
х=36/4,8
х= 7.5
Verified answer
1,7x+3,1x=57-21
4,8x=36
x=36/4,8
x=7,5