Question

cat este ''x'' in ecuatia:
8+(3+x)=15
(imi spuneti ,va rog, si cum ati facut)

Answer 1

3+x=15-8
x=7-3
x=4
am folosit metoda inversa

Answer 2

8+(3+x)=15
3+x=15-8
3+x=7
x=7-3
x=4