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I need help on this

I need help on this-example-1
User SunnySonic
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1 Answer

4 votes

Answer:

x=28

Explanation:

180-42=138 since a triangle adds up to 180

2x+10+3x-12=138 then combine like terms

5x-2=138 add 2 to both sides

5x=140 divide each side by 5

x=28

User Razi
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7.7k points
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