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NH13
a fost răspuns

Rezolvati in Q ecuatiile:
a) 0,24x-3.6=0
b)0,75+0.5=0
c)1.8+4x=0.24
d)3.4-6x=-4,1
e)7.9-0,3x=3.69
f)1.4x+3.6=3.2

Răspuns :

Valeria13
a) 0,24x-3.6=0
0.24x=3.6
x=3.6/0.24
x=14.4
b)0,75+0.5=0
unde-i x-ul????
c)1.8+4x=0.24
4x=1.8-0.24
4x=1.56
x=1.56/4
x=0.39
d)3.4-6x=-4,1
-6x=-4.1-3.4
-6x=-7.5
x=-7.5/-6
x=1.25
e)7.9-0,3x=3.69
-0.3x=7.9-3.69
-0.3x=4.21
x=4.21/3
x=1.40
f)1.4x+3.6=3.2
1.4x=3.2+3.6
1.4x=6.8
x=6.8/1.4
x=4.8

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