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motikmotik
3 years ago
14

2u+7u=81 simplify your answer as much as possible

Mathematics
2 answers:
jenyasd209 [6]3 years ago
7 0
2u+7u=9u
9u=81
Divide both sides
U=9
blondinia [14]3 years ago
7 0

Answer: 2u+7u=81

9u=81

9u/9 =81/9

U=9

Step-by-step explanation:

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