Answer:
12,014
Step-by-step explanation:
you are adding 12,000 and 14
10 in
6² + 8² = c²
36 + 64 = c²
100 = c²
√100 = c
10 = c
17 units
x=6
(×+54)+5×=90
6×+54=90
90-54
6×=36
×=6