1) 2(3х-0,5)=6-(х+8) 2) 5-2(х-1)=0,5(8х-4) 3) 1/2(3х+6)-2,5=0,25(4-2х) - вопрос №77546181230568252105843123625025424 от Revantrtr 07.02.2020 17:20

Question

Математика: 1) 2(3х-0,5)=6-(х+8) 2) 5-2(х-1)=0,5(8х-4) 3) 1/2(3х+6)-2,5=0,25(4-2х) 4) (3х-2)/0,2=(14-х)/0,1 5)1/3х-5/12=1/2(5/6-х)

Revantrtr · Answer

16x-1=6-x-86x+x=-2+17x=-1x=-1/725-2x+2=4x-2-2x-4x=-2-7-6x=-9x=1,531,5x+3-2,5=1-0,5x1,5x+0,5x=1-0,52x=0,5x=0,25415x-10=140-10x15x+10x=140+1025x=150x=651/3x-5/12=5/12-1/2x1/3x+1/2x=5/12+5/125/6x=5/6x=1...