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Solve for x= 4x+18°+5x°=90°

Solve for x= 4x+18°+5x°=90°
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Solve for x= 4x+18°+5x°=90°

User Naster
by
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1 Answer

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Answer: x = 8

Explanation:

4x + 18 + 5x = 90

9x + 18 = 90 Added like terms

9x = 72 Subtracted 18 from both sides

x = 8 Divided both sides by 9


BONUS: The sum of these two angles is 90°, which means these angle are complementary.

User Trutheality
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