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TheStunter
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VA ROOG AM PENTRU MAINE.Rezolvati in Z ecuatiile:
a)IxI=3;
b)8-IxI=3;
c)I-xI=1;
d)-7+I-xI=-2;
e)Ix-3I=4;
f)5-Ix-4I=2;
g)I2-xI=5;
h)9-I5-xI=-3;
i)I2x+3I=7;
j)11-I2x+1I=-4.

Răspuns :

MirunaIoana14
a)x=3
b)x=8-3=5
c)x=-1
d)-x=-7-2=-5
e)x4-3=1
f)x-4=5-2
x-4=3
x=4-3=1
g)x=5-2=3
h)5-x=9-3
5-x=6
x=6-5=1
i)2x=7-3
2x=4
x=4:2=2
j)2x+1=11-4
2x+1=7
2x=7+1
2x=8
x=8:2=4

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