Question

Упростите выражения: -3,78х+5,91-9,22х-10+6х;-5/7х-1/у+3/14х-1/4у

Answer 1

1) -7,02x - 4,09
Во втором точно 1/y

Answer 2

нет, не так: -5/7х-1/6у...

Answer 3

-1/2x-5/12y

Answer 4

-3,78х+5,91-9,22х-10+6х=-13х-4.09+6х=-4.09-7x


  -5/7х-1/у+3/14х-1/4у=-10/14х-4/4у+3/14х-1/4у=-7/14x-5/4y=-0.5/x-1.25/y