Cine imi poate rezolva?
a) 4x - 18,94= 3x+0,349
b)3x - 3,84 + 2x=2x - 1,235 + x
c) 2x- 3,14 + x=x+12
d)4x- 2,15+ 3x = 3x + 7,85
e) 3x - 12,25 + 2x + x= x - 6,25
f) 8x + 1,345 - 2x = 7,395 - 2x + 0,35
g) 14x+ 12,25 - 7x = 24,01 - 7x
Multumesc!

1

Răspunsuri

Cel mai inteligent răspuns!
2014-03-22T19:53:34+02:00
A.4x-18,94=3x+0,349
4x-3x=0,349+18,94
x=19,289
b.3x-3,84+2x=2x-1,235+x
3x+2x-2x-x=1,235+3,84
2x=10,075
x=5,0375
c.2x-3,14+x=x+12
2x+x-x=12+3,14
2x=15,14
x=7,57
d.4x- 2,15+ 3x = 3x + 7,85
4x+3x-3x=7,85+2,15
4x=10
x=2,5
e.
3x - 12,25 + 2x + x= x - 6,25
3x+2x+x-x=-6,25+12,25
5x=6
x=1,2
f.
8x + 1,345 - 2x = 7,395 - 2x + 0,35
8x-2x+2x=7,395+0,35-1,345
8x=6,4
x=0,8
g.14x+12,25-7x=24,01-7x
14x-7x+7x=24,01-12,25
14x=11,76
x=2,94
Cu placere!
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