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WARRIOR [948]
3 years ago
9

HELLOPPPPPPPPPPPOPPPPPPPPP

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0
(2x+15) +x=90
- 15           = -15
2x+x= 75
3x= 75 
3   = 3
x= 25 

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3 years ago
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