Реши уравнения. 2(а + 2)-10 = 6(3 - а) 3(2у-1)+6(3у-4)=83+5(у-3). Created by sonyasonya060. matematika-ru

Реши уравнения. 2(а + 2)-10 = 6(3 - а) 3(2у-1)+6(3у-4)=83+5(у-3)...

Глокси 1) 2a+4-10=18-6a
2a+6a=18+10-4
8a=24
a=24:8
a=3
2)6y-3+18y-24=83+5y-15
24y-5y=83-15+24+3
19y=95
y=95:19
y=5

1 votes Thanks 2

ValeriaVoz 2 (а+2)-10=6 (3-а).
2а+4-10=18-6а
2а+6а=18-4+10
8а=24
а=24/8
а=3.

3(2у-1)+6 (3у-4)=83+5 (у-3)
6у-3+18у-24=83+5у-15
18у+6у-5у=83+3+24-15
19у=95
у=95/19
у=5

2 votes Thanks 2

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