Podręcznik "Matematyka z plusem" str.200 zad.6 Rozwiąż równania: a) 1/3(3x-2)=2 b) 2(x/5-3)=315 c) x+3/2*8+x-3 d) 4(2x-3/4)=53 e) 2(x+7)=3(2x-5) f) 3(x-5)+7=x+1 plisssssss jak najszybciej to zróbcie!!!
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a)1/3(3x-2)=2 /*3
3x - 2 = 6
3x = 8
x = 8/3
b)2(x/5-3) = 315
2x/5 - 6 = 315
2x/5 = 321 /*5
2x = 1605
x = 802,5
c) x+3/2*8+x-3 - zle przepisane
d) 4(2x-3/4)=53
8x - 3 = 53
8x = 56
x = 7
e)2(x+7)=3(2x-5)
2x + 14 = 6x - 15
4x = 39
x = 9,75
f)3(x-5)+7=x+1
3x - 15 + 7 = x + 1
2x = 9
x = 4.,5