21 * (-1) = -21
21 + (-1) = 20
Answer:
it should be 2 units
Step-by-step explanation:
<h3>
Answer:</h3>
<h3>
Step-by-step explanation:</h3>
We know that 
, so substitute that into the equation. 
With negative powers, instead of making the result negative, you divide one by it. Mathematically speaking, 
. This makes our equation: 
Finally, simplify the exponent. 
Answer:
8/184
0.0434782609x115
5
Step-by-step explanation:
5
Answer:
3x-6=9 is your equation x=5
Step-by-step explanation:
Step 1: Add 6 to both sides
Step 2: Divide both sides by 3
