Ответ:
-0.08(х+5)-1.3(2-5х)=-6.5=-0.08х-0.4-2.6+6.5х=-6.2=6.42х-3=-6.2=6.42х=-6.2+3=6.42х=-3.2=х=-160/321
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Ответ:
-0.08(х+5)-1.3(2-5х)=-6.5=-0.08х-0.4-2.6+6.5х=-6.2=6.42х-3=-6.2=6.42х=-6.2+3=6.42х=-3.2=х=-160/321