Question

Rezolvați ecuațiile:
…………...........
Repede!!+coroana

Answer 1

Am rezovat asta..... :)))))

Answer 2

c)9.57-5x+3.4=5.002⇒
12.97-5x=5.002⇒
-5x=5.002-12.97⇒-5x=7.968⇒x=7.968/-5⇒x=-1.5936
d)1.6x.-3.3=1.5⇒1.6x=3.3+1.5⇒1.6x=4.8⇒x=4.8/1.6⇒x=3

e)2.1x-32.1=9.6⇒2.1x=32.1+9.6⇒2.1x=41.7⇒x=41.7/2.1⇒x=19.857
f)=2.3-0.3x=0.8⇒-0.3x=-2.3+0.8⇒-0.3x=-1.5⇒x=-1.5/-0.3⇒x=5
succes