Truly77 Truly77

09-11-2021
Mathematics

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09-11-2021

Answer:

x = 11

Step-by-step explanation:

The angles are supplementary

therefor

(7x - 1) + (9x + 5) = 180

Combine like terms

16x + 4 = 180

Subtract 4 from both sides

16x = 176

Divide both sides by 16

x = 11

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