04-05-2017
Mathematics

contestada

6(5+a)-9=28a

Please solve

Respuesta :

04-05-2017

perform indicated multiplication on left side to get:

30+6a-9=28a combine like terms on left side...

6a+21=28a subtract 21 from both sides...

6a=28a-21 subtract 28a from both sides...

-22a=-21 divide both sides by -22

a=21/22

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jessieg jessieg

04-05-2017

a=27/22 or 1 5/22 or 1.23

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