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12 votes
12 votes
Please help me solve this problem

Please help me solve this problem-example-1
User Qstack
by
2.8k points

1 Answer

20 votes
20 votes

Answer:

x = 35

Explanation:

The sum of all three angles is equal to 180 because they make a straight line which is also called a flat angle

3x - 15 + 2x + 10 + 20 = 180 add like terms

5x + 15 = 180 subtract 15 from both sides

5x = 165 divide both sides by 5

x = 33

User Cedias
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