0,6(-2y+3)-0,4(9y)=-0,3(y-9)

Question

0,6(-2y+3)-0,4(9y)=-0,3(y-9)

Answer 1

0.6(-2у+3)-0.4(9у)=-0.3(у-9)
-1.2к+1.8-3.6у=-1.2у+2.7
-1.2у-3.6у+1.2у=2.7-1.8
-3.6у=0.9
у=-0.25
Ответ:-0.25