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rodikova [14]
3 years ago
11

Solve for the indicated information. solve for x.

Mathematics
1 answer:
pochemuha3 years ago
3 0

Answer:

-9

Step-by-step explanation:

x + 109 + x + 89 = 180° because these angles are supplementary

2x + 198 = 180 subtract 198 from both sides

2x = - 18 divide by 2

x = -9

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