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AlexGamer
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Ajutot Urgent

Folosind cele trei metode rezolvati N ecuatiile

a)x+3=7
b)x-4=9
c)2x+4=10
d)6x=100
e)288:x=12
f)5x-7=8
g)x:7=11
h)19-x=10
i)9-3x=3

Răspuns :

Litabianca26
X+3=7
X=7-3
X=4
X-4=9
X=9+4
X=13
2X+4=10
2X=10-4
2X=6
X=6:2
X=3
6X=100
X=100:6
X=16,(6)
288:X=12
X=288;12
X=24
5X-7=8
5X=8-7
5X=1
X=5:1
X=5
X:7=11
X=11·7
X=77
19-x=10
x=19-10
x=9
9-3x=3
3x=9-3
3x=3
x=3:3
x=1

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