Step-by-step explanation:
5x-12=13
5x -12 =13
+12=+12
<u>5x</u>= <u>25</u>
5 =. 5
x=5
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Switch Sides

[ Step Two ] Add 4 To Both Sides

[ Step Three ] Simplify

[ Step Four ] Check Your Work

[ Step Five ] Question: Is Equation Correct

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Answer: [0,3]
The line is going up from left to right between 0 and 3 on the x-axis. We use a closed bracket because it is a open circle.
Answer:
If you go to desmos.com, select the graphing calculator, and enter in y = 3x you should be able to see how it's graphed! Hope this helps!