Question

решите уравнение -3(2-0.4y)+5.6=0.4(3y+1)

Answer 1

-3(2-0.4y)+5.6=0.4(3y+1)
-6+1.2y+5.6=1.2y+1
1.2y-1.2y=1+6-5.6
0y=1.4
y=1.4