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Alina [70]
2 years ago
12

For each diagram below, write an equation and solve for x.

Geography
1 answer:
Llana [10]2 years ago
3 0

Answer:(3x+3)+(x+7)=90, x=20

Explanation:

(3x+3)+(x+7)=90

4x+10=90

4x=80

x=20

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Can you please help me solve this. Thank you
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<h3>As we know that sum of three angles of triangle is 180º.</h3>

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