Răspuns :
5×(2×a-7)+3=18|2
10a - 35 +3 = 9
10a -35 =6
10a = 6+35
10a = 41
a = 41/10
10a - 35 +3 = 9
10a -35 =6
10a = 6+35
10a = 41
a = 41/10
5× (2×a-7)+3=18|2
10a - 35 +3 = 9
10a - 35 =6
10a = 6+35
10a = 41
a = 41/10
10a - 35 +3 = 9
10a - 35 =6
10a = 6+35
10a = 41
a = 41/10