Question

6,4 (у – 12,8) = 3,2.
РЕШИТЕ ПЛИЗ

Answer 1

6,4(у-12,8)=3,2;

6,4*y-6,4*12,8=3,2;

6,4y-81,92=3,2;

6,4y=3,2+81,92;

6,4y=85,12;

y=85,12/6,4;

y=13,3