ghernadez
01.07.2019 •
Mathematics
Simplify this expression.
3w+7-5r+2-r
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Ответ:
3w - 6r +9
Step-by-step explanation:
3w+7-5r+2-r
Combine like terms
3w -5r-r +7+2
3w - 6r +9
Ответ:
Step-by-step explanation:
Distributive property: A(B+C)=AB+AC
Group like terms.
Add the numbers from left to right.
Finally, add the numbers from left to right, to find the answer.
Hope this helps!
Ответ:
Latasha spent $3.35
Helen spent 4x as much as Latasha. $3.35x4=$13.40
Dee spent $7.50 more than helen. $13.40+$7.50=$20.90