Решите -(1.8x+2.3)+(3.6x+2.5)=1.6x и (3.1x+3..8x+1.8)=1.6x+1.6 - вопрос №182336251631381816165783400 от Alevtinka28 29.05.2020 20:29

Question

Математика: Решите -(1.8x+2.3)+(3.6x+2.5)=1.6x и (3.1x+3..8x+1.8)=1.6x+1.6 заранее

Alevtinka28 · Answer

-(1.8x+2.3)+(3.6x+2.5)=1.6x-1.8x-2.3+3.6x+2.5=1.6x3.6x-1.6x-1.8x=2.3-2.50,2х=-0,2х=-0.1(3.1x+3.1)-(1.8x+1.8)=1.6x+1.63.1x+3.1-1.8x-1.8=1.6x+1.63.1x-1,8х-1.6x=1,6-3,1+1,8-0,3х=0,3х=-0.1...