-11(2-3x)+5x=16 13x+(7-5x)=8 8x+4(2-5x)=13 -3(15-8x)+2-11x=7x=18 - вопрос №146255701123516137588425133158211718 от Lapatkoanna 22.03.2022 13:04

Question

Математика: -11(2-3x)+5x=16 13x+(7-5x)=8 8x+4(2-5x)=13 -3(15-8x)+2-11x=7x=18

Lapatkoanna · Answer

1) -22+33х+5х=1638х=16+2238х=38х=12) 13х+7-5х=88х=1х=1/83) 8х+8-20х=13-12х=5х=5/12 = -0,4164) -45+24х+2-11х-7х=18-43+6х=186х=61х= 61/6 = 10 1/6 = 10,16...