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andrew-mc [135]
4 years ago
7

Please HELP ASAPPPP uts not -3!!!

Mathematics
2 answers:
Alex73 [517]4 years ago
7 0

Answer:

x= 11

Step-by-step explanation:

(7x -1)° + (9x +5)°= 180° (adj. ∠s on a str. line)

7x -1 +9x +5= 180

16x +4= 180 <em>(simplify)</em>

16x= 180 -4 <em>(-4 on both sides)</em>

16x= 176 <em>(simplify)</em>

x= 176 ÷16

x= 11

The sum of the angles on a straight line is 180°

Morgarella [4.7K]4 years ago
5 0
Here you go hopes this helps

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