<span>4x+5(3-2x)=5+11x
</span><span>4x+15-10x=5+11x
</span>4x-11x-10x=5-15
-17x=-10
x=10/17
40568 * 10 = <span>405680
</span>(405*100)+(68*10)=40500+680 = 41180
405680 > 41180
2*5*89=10*89=890
(4*8760)*25=4*25*8760=100*8760=876000
645*2*50=645*100=64500
25*4*2468=100*2468=246800
125*457*8*10=125*8*10*457=1000*10*457=4570000
2*5*25*123*125*8*4=2*5*4*25*8*125*123=10*100*1000*123=123000000
863-(а+129)=196
863-а-129=196
-а=196-863+129
-а=-538
а=-(-538)
а=538
(901-х) +478=802
901-х+478=802
-х=802-478-901
-Х=-577
Х=-(-577)
Х=577
30/25=6/5=1.1/5
430/26=215/13=16.7/13
660/420=33/21=1.12/21