Question

7(Y+3)-2(Y+2)=2(5Y+1) РЕШИТЬ УРАВНЕНИЕ

Answer 1

7(Y+3)-2(Y+2)=2(5Y+1)

7у+21-2у-4=10у+2

7у-2у-20у=-21+4+2

-5у=-15

у=3

 

Answer 2

7y+21-2y-4=10y+2

7y-2y-10y=2+4-21

-5y=-15

y=3