ХЕЛП ПЛЗ 3,1(1-3x)+x=0,4(x-14)=

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ХЕЛП ПЛЗ


3,1(1-3x)+x=0,4(x-14)=

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НУ ХЕЛП

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ХЕЛП

Answer 1

3.1-9.3x+x=0.4x-5.6
-9.3x-0.4x=-5.6-3.1
-9.7x=-8.7
x=8.7/9.7