Răspuns :

Răspuns:

[tex][(x+15)*10-100]:5=100-90\\\\(x+15)*10-100=10*5\\\\(x+15)*10=50+100\\\\x+15=150:10\\\\x=15-15\\\\x=0[/tex]

Răspuns:
[(X+15)×10-100]:5+90=100
[(x+15)×10-100]:5=100-90
[(x+15)×10-100]:5=10
[(x+15)×10-100]=10×5
(x+15)×10-100=50
(x+15)×10=50+100
(x+15)×10=150
(x+15)=150:10
x+15=15
x=15-15
x=0
Explicație pas cu pas:

Alte intrebari