Lowest common denominator-> 6
1/2 multiply both top and bottom by 3 to get it in sixths
1/6+3/6=4/6
4/6 simplifies to 2/3.
2/3 is the simplest form to your question.
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the picture can't clean. so I can't solve the problem
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y=5x+21
Step-by-step explanation:
I included the work in the picture. lmk if you need more explaining