Respuesta :

CSMedrano

Answer:

9

Step-by-step explanation:

[tex]4a+7\\\\a=\frac{1}{2}\\\\=4[\frac{1}{2}]+7\\\\=2+7\\\\=9[/tex]

isabelrainbow

Answer: a = 9

Step-by-step explanation:

so, we can start with multiply 4 by 1/2 (we substitute 1/2 for the a), which gives us 2. then, we simply add 7. that gets us to a = 9.

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