Answer:
It compares two numbers that can represent many of things. For example, people, food & items.
Step-by-step explanation:
3x + 5 = 12 - 7x
⇒ 3x = 12 - 5 - 7x
⇒ 3x = 7 - 7x
⇒ 3x + 7x = 7
⇒ 10x = 7
⇒ x= 7 ÷ 10
⇒<u> x = 0.7</u>
Answer: it is a
