Răspuns :
Răspuns:
a.988-x=1798-821
988-x=977
x=11
b.x+4281=30000-3584
x+4281=26,416
x=22,135
c.2030+x=8213+13521
2030+x=21,734
x=19,704
Răspuns:
a) 988-x=1798-821
988-x=977
x=988-977
x=11
b) x+4281=30000-3584
x+4281=26416
x= 26416-4281
x= 22135
c) x-13521=8213-2030
x-13521=6183
x=13521+6183
x=19704