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Sara is 9 years less than twice Brenda's age. If Sara is 21, write an equation to find Brenda's age. (we don't want to find Brenda's age.. We just want to wr…

Sara is 9 years less than twice Brenda's age. If Sara is 21, write an equation to find Brenda's age. (we don't want to find Brenda's age.. We just want to wr…
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4 votes
Sara is 9 years less than twice Brenda's age. If Sara is 21, write an equation to find Brenda's

age. (we don't want to find Brenda's age.. We just want to write the equation

asked
User Martin Andersen
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8.2k points

2 Answers

6 votes

Answer:

Brenda is 39 i got that because i took 9 2 times and make it 18 then added to 21 and found brendas age

answered
User DarRay
by
8.4k points
6 votes
2x-9=21 in this equation, x would represent brendas age
answered
User Promzy
by
7.8k points
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