Question

решите уравнение 10*(3y-2)-5*(4y-11)=25+3*(5y-2)

Answer 1

10*(3y-2)-5*(4y-11)=25+3*(5y-2)

30y -20 - 20 y +55 = 25+ 15y - 6

30y -15y  - 20 y  = 25 - 6 + 20 -55

-5y = -16

y = -16 : (-5)

y = -$-frac{16}{5}$