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sertanlavr [38]
3 years ago
8

The equations in the triangle consist of (2x +1) and (5x +5)​

Mathematics
1 answer:
Ainat [17]3 years ago
6 0
2x + 1 + 5x + 5 + 90 = 180
7x + 96 = 180
7x = 180 - 96
7x = 84
x = 12
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