Question

Реши плиз -4(3,5x-4)-(7-2,1x)+5(0,3x-5)

Answer 1

$-4(3,5x-4)-(7-2,1x)+5(0,3x-5)=\\=-14x+16 - 7 + 2,1x + 1,5x - 25 =\\=(1,5x + 2,1x - 14x) + (16 - 7 - 25)=\\= - 10,4x - 16$