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Gnoma [55]
3 years ago
14

Helppppp needed plz quick

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0

Answer:

Step-by-step explanation:

9x - 77 = 7x - 43

2x - 77 = -43

2x = 34

x = 17

9(17) - 77 = 153 - 77 = 76

7(17) - 43 = 119 - 43 = 76

z + 76 = 180

z= 104

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