упростите
3(2х-9)-4(-3х+2)=
-3,5× (4а- 2х) +(-3а - 5,2х) =
0,9( 0,4 -1х) - 0,2 (0,8 -7х) =
3(2х-9)-4(-3х+2)=
-3,5× (4а- 2х) +(-3а - 5,2х) =
0,9( 0,4 -1х) - 0,2 (0,8 -7х) =
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Answers & Comments
b)-3,5(4a-2x)+(-3a-5,2x)= -11a+12,2x
c)0,9(0,4-1x) - 0,2(0,8-7x)= 0,2-0,5x