a) x=4
10+2x+6=24
 -2x. -2x
10+6=-2x+24
-24. -24
10+6-24=-2x
simplify
-8=-2x
divide both sides by -2
4=x 
2. x=7
14+3x+5=40
 -3x. -3x
 14+5=40-3x
-40. -40
14+5-40=-3x
-21=-3x
divide both side by -3 
7=x
        
             
        
        
        
Answer:
A. 
Step-by-step explanation:
Plugging these coordinates into the system of equations will give you these genuine statements:
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