Решите плиззз матем 6 кл 3(х-8)/5+7(х+5)/6=4(7х+1 5)/15+1/3. Created by lalkalol344. matematika-ru

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lalkalol344 @lalkalol344

July 2022 1 1 Report

Решите плиззз матем 6 кл
3(х-8)/5+7(х+5)/6=4(7х+1 5)/15+1/3

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ndusha

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3(х-8)/5+7(х+5)/6=4(7х+15)/15+1/3 умножим на 30
6*3(х-8)+5*7(х+5)=2*4(7х+15)+10
18(х-8)+35(х+5)=8(7х+15)+10
18х-144+35х+175=56х+120+10
53х+31=56х-130
53х-56х=-130-31
-3х=-161
х=161/3=53 2/3

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3 17 pri d 0515a35546f48be453b02b318ab83b4b82 42049

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3 17 pri d 0515a35546f48be453b02b318ab83b4b82 42049

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