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Natalija [7]
3 years ago
11

6(5+a)-9=28a Please solve

Mathematics
2 answers:
Murljashka [212]3 years ago
8 0
A=27/22 or 1 5/22 or 1.23                               
jonny [76]3 years ago
7 0
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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