DOLLFACE32
DOLLFACE32
11-02-2017
Mathematics
contestada
Solve and show work.3a-4a+9=-12a+43-6a
Respuesta :
alexjoejoe
alexjoejoe
11-02-2017
A=2
First simplify
Regroup terms
Simplify
Subtract 9
Simplify
Addc18a
Simplify
Divide both side by 17
Simplify 34/17
Answer Link
leumitica
leumitica
11-02-2017
[tex]3a-4a+9=-12a+43-6a[/tex]
[tex]-a+9=-12a+43-6a[/tex]
[tex]-a+9=-18a+43[/tex]
[tex]-a+9+18a=43[/tex]
[tex]17a+9=43[/tex]
[tex]17a=43-9[/tex]
[tex]17a=34[/tex]
[tex]a=34:17[/tex]
[tex]a=2[/tex]
The answer is: a=2
Answer Link
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