Răspunsuri

2014-11-11T23:41:54+02:00
5(x-7)-2x=x-41 5x-7x-2x=x-41 5x-7x-2x-x=41 -5x=41 X=41/(-5) X=-8,2 2[(4x-2)+16]=6(x+5) 32+ 2(4x-2)=6x+30 32+8x-4=6x-30 32-4+30=6x-8x 58=-2x X=58/(-2) X=-29
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  • Utilizator Brainly
2014-11-11T23:44:29+02:00
c)5(x-7)-2x=x-41
5x-35-2x=x-41
3x-35=x-41
2x=76
x=38


h)2[(4x-2)+16]=6(x+5)
2(
4x+2-16)=6x+30
8x-28=6x+30
2x=
58
x=29

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