Answer:
63+48= 3(21+16)
Step-by-step explanation:
Check answer:
Distribute 3(21+16)
3(21)+3(16)
63+48
 
        
             
        
        
        
Answer:
-10; no
Step-by-step explanation:
<h2>
-4*3 + 9*2 + 8*-2 = -10</h2><h2>
</h2><h2>
-10 does not equal 0 so it is not perpendicular</h2>
 
        
             
        
        
        
Answer:

Step-by-step explanation:
<em><u>Given:</u></em>

<em><u>Solve for:</u></em>

<em><u>Solution:</u></em>
(1) Let's move all of components that do not contain  (our target) to the right side (notice the change of sign of
 (our target) to the right side (notice the change of sign of  from negative to positive):
 from negative to positive):

(2) Let's divide both sides of equation by 4:

(3) Now, we simplify the left side:

This is the solution.
Hope this helps!
:)
 
        
             
        
        
        
Answer:
x = 5
Step-by-step explanation:
2 = x-3
<em>Adding 3 to both sides</em>
2+3 = x
5 = x
<u><em>OR </em></u>
x = 5
 
        
                    
             
        
        
        
Answer:
If you had 5 apples and Johnny gave you five more how much do you have? Lets count
10 OMG 5+5 is 10