runningismylife runningismylife

18-11-2014
Mathematics

contestada

Solve for a:
5a+4(3a-8)=4+13a

Respuesta :

Eckster50 Eckster50

18-11-2014

[tex]5a+12a-32=13a+4 17a-32=13a+4 4a=36 a=9

Answer Link

apologiabiology apologiabiology

18-11-2014

so first parenthasees
4(3a-8)=12a-32

group like terms
5a+12a-32=4+13a
17a-32=4+13a
subtract 13a from both sides
4a-32=4
add 32 to both sides
4a=36
divide both sides by 4
a=6

Answer Link

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