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Anon25 [30]
3 years ago
8

I don't know how to solve for X..

Mathematics
1 answer:
Natalka [10]3 years ago
5 0
X + 120 + 156 + 145 + x + 9 + 90 = 720
2x + 520 = 720
2x = 200
 x = 100

answer
x = 100
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