Найти корень уравнений
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-7(0,3х-8)+3(0,4х+5)=8
-2,1х+56+1,2х+15=8
-2,1х+1,2х=8-56-15
-0,9х =-63
х=70
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Answers & Comments
-7(0,3х-8)+3(0,4х+5)=8
-2,1х+56+1,2х+15=8
-2,1х+1,2х=8-56-15
-0,9х =-63
х=70