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mel-nik [20]
3 years ago
8

Please help. Thank you.

Mathematics
1 answer:
damaskus [11]3 years ago
7 0
(10x + 4) + (5x-4) ≈ 180

solve for x and you get x≈12 
 
plug 12 in to 5x-4 and you get 56 
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