prettykeira137 prettykeira137
  • 23-11-2021
  • Mathematics
contestada

5 (2a + 6) - a = 129

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itsblade2024 itsblade2024
  • 23-11-2021
a=11 because 5*2a= 10a and 5*6=30 so now u have 10a+30-a=129. Combine like terms to get 9a. 9a+30=129 subtract 30 from 129 to get 99. Now u have 9a=99. Divide 9 on both sides to get a=11
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jillianspeakman04
jillianspeakman04 jillianspeakman04
  • 23-11-2021
5(2a+6)-a=129
10a + 30 - a =129
10a - a = 129 - 30
9a = 99
a = 11
Answer Link

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