Answer:
The easiest way is to count by 1 starting from 82 till you reach 512.
<em>good luck, i hope this helps :)</em>
Replace x with 3 in the equation to get:
7^2/ 3^2 -2
7^2 changes to 49 and 3^2 changes to 9:
49/9-2
Simplify 9-2 to 7:
49/7
Divide 49 by 7:
7
Answer:
3(x-1)=15 - divide both sides by 3
X-1=5- move the constant to the right and
change the sign
X=5+1 - Add
X=6
