Step-by-step explanation:
because we can also find out the value of x in second equation like this
3x=21
x=21/3
x=7
Answer:
5.30= x+1.5
x equals the difference
Step-by-step explanation:
Answer:
<h3>x° = 80°</h3>
Step-by-step explanation:

(The measure of the interior angle of a square is 90°)

To solve this, do Betty's points (68) and subtract them from Debbies's (e) to get the expression 68-e.