2(7-y)+13=y ; 5-3(2x-1)=4x-22 ; 1,2x-7=6x-16,6 ; 2(1,2y+5)-1=2y+6,6 - вопрос №5789268271353214221276166212512661709 от karolinaanime 01.02.2021 17:11

Question

Математика: 2(7-y)+13=y ; 5-3(2x-1)=4x-22 ; 1,2x-7=6x-16,6 ; 2(1,2y+5)-1=2y+6,6 ; 1,7x +0,9=2x ; 9-2(x+4)=2x+13; -4(2+3x)+11=-15x-3 ; 5y+12=-3y+12 ; 0,2(3y+2)= 2,6y-1,6

karolinaanime · Answer

-2(7-y)+13=y-2(7-y)+13-y=0-14+2y+13-y=0-1+y=0y=15-3(2x-1)=4x-225-6x+3-4x+22=030-10x=030=10xx=31,2x-7=6x-16,61.2x-7-6x+16.6=0-4.8x+9.6=0-4.8x=9.6x=22(1,2y+5)-1=2y+6,62.4y+10-1-2y-6.6=00.4y+2.4=0y=61,7x +0,9=2x1.7x+0.9+2x=03.7x=0.9x=49-2(x+4)=2x+139-2x+8=2x+139-2x+8-2x+13=0-4x+30=0-4x=-30x=7.5-4(2+3x)+11=-15x-3-8-12x+11+15x+3=06+3x=06=3xx=25y+12=-3y+125y+12+3y-12=08y=0y=00,2(3y+2)=2,6y-1,60.6y+0.4-2.6y+1.6=0-2y+2=0y=1...