Answer: x=0
Step-by-step explanation:
2x+6=-2x+6
2x+2x=6-6
4x=0
x=0/4
x=0
Answer:
YES
105?
a
70 offices
21 ÷ 3 to get amount per floor, 7 per floor, 7 × 10 = 70, 70 offices