Реши уравнение 1)0,3х=6 2)25х-1=9 3)3х-5=10-х 4)4х+х=х+5 - вопрос №385827410362251933510445553373568 от LizaLongoo 13.03.2021 18:12

Question

Математика: Реши уравнение 1)0,3х=6 2)25х-1=9 3)3х-5=10-х 4)4х+х=х+5 5)5х+3(3х+7)=35 6)8х-(7х+8)=9 7)8х-9-(4х-5)=12х-(4+5х) 8)5(х-3)-2(х-7)+7(2х+6)=7 9)5(8х-1)-7(4х+1)+8(7-4х)=9

LizaLongoo · Answer

0,3х=6х=6:0,3х=2025х-1=925х=9+125х=10х=10:25х=0,43х-5=10-х3х+х=10+54х=15х=15:43=3,754х+х=х+54х=5х=5:4х=1,255х+3(3х+7)=355х+3х+21=358х=35-218х=14х=1,758х-(7х+8)=98х-7х-8=9х=9+8х=178х-9-(4х-5)=12х-(4+5х)8х-9-4х+5=12х-4-5х4х+5х=9-5-49х=0х=05(х-3)-2(х-7)+7(2х+6)=75х-15-2х+14+14х+42=717х=7+15-14-4217х=50х=2,945(8х-1)-7(4х+1)+8(7-4х)=940х-5-28х-7+56-32х=9-20х=9+5+7-56-20х=-35х=1,75...