100*x=100100 248007-z=42315

Răspuns :

100×x=100100/÷100
=1001
Verificare:100×1001=100100

248007-z=42315
=248007-42315
=205692
Verificare:248007-205692=42315

X=1001,. z=205692

X=100100/100. Z=248007-42315