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3 years ago

6

Help me pleaseeeeee!!!!!

1 answer:

stealth61 [152]3 years ago

7 0

Answer:

61

Step-by-step explanation:

3x + 28

5x + 52

<u>+ 2x - 10 </u>

10x + 70 = 180º

x = 11

3(11) + 28 = 61º

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