<em>Greetings from Brasil...</em>
Be that unknown number X
Then we can write the following expression:
X + 4.7 = 8.1
<h2>X = 3.4</h2>
Answer:
X = 6 1/2
Step-by-step explanation:
X is equal to 6 1/2 because, if you subtract 3 1/2 from 10 you will be left with 6 1/2.
Answer:
81 mm²
Step-by-step explanation: