anayelicristobal12 anayelicristobal12

13-07-2021
Mathematics

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nicole22851 nicole22851

13-07-2021

Answer: u=2.5

Explanation:
9(u-2)+1.5u=8.25
- Multiply the 9 into the u and the 2 in the parantheses
9u-18+1.5u=8.25
-combine like terms. The only like terms are 9u and 1.5u.
10.5u-18=8.25
-Add the 18 to both sides.
10.5u= 26.25
- divide both sides by 10.5 and it will leave you with u=2.5.

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