matematykaszkolna.pl
rownania monika41:
 1 
4x=

*2x
 8 
`10x=2*5x 5x+1+5x=1,2 27x+3=3*81x
30 mar 13:38
Ted: 22x=2x−3 2x=x−3 x=−3
30 mar 13:52
Ted: 2x5x=25x 2x=21/2 x=1/2
30 mar 13:54
Ted: 5*5x+5x=1,2 6*5x=1,2 5x=1/5 x=−1
30 mar 13:57
Ted: 33x+9=34x+1/2 3x+9=4x+1/2 ... x= ...
30 mar 14:01