Question

1.Rezolvati in R urmatoarele ecuatii :
a. 6(x-2)=4
b.2(x+9)=6
c.9(x-1)=3
d.3(7-5x)=16
e.13=5(3-2x)
f.4(8-7x)=11
(trebuie sa dea in fractii)
2.
a.√6(4√2+5x)=13√3
b.√15(2√3+3x)=9√5
c.√10(2√5-7x)=3√2
d.2(3√2x-9)=3√2x
e.5(2√5x-4)=8√5x
f.3(4√3x+8)=8√3x

Answer 1

a)6x-12=4/+12 6x=16/:6 x=16 supra 6 (fractie) b) 2x+18=6/-18 2x=-12/2 x=-6