ответка..2х+3y=46
2+3×(х+у)=46
5×(х+y)=46
x+y=46:5
x+y=9.2
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ответка..2х+3y=46
2+3×(х+у)=46
5×(х+y)=46
x+y=46:5
x+y=9.2