3*( 2у - 1 ) + 6*( 3у - 4 ) = 83 + 5*( у - 3) РЕШИТЬ! ЗАРАНЕЕ СПАСИБО!!!
3*(2y-1)+6*(3y-4)=83+5*(y-3)
6y-3+18y-24=83+5y-15
6y+18y-5y=3+24+83-15
19y=95
y=95:19
y=5
=========================
y= 5
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3*(2y-1)+6*(3y-4)=83+5*(y-3)
6y-3+18y-24=83+5y-15
6y+18y-5y=3+24+83-15
19y=95
y=95:19
y=5
=========================
6y-3+18y-24=83+5y-15
6y+18y-5y=3+24+83-15
19y=95
y=95:19
y= 5