Respuesta :

ok so when you substitute you will end up with the equation: 3(4) + 5(1) - 4.

And when you solve you will get 12 + 5 - 4.

12 + 5=17

17-4=13

The answer is 13!

I HOPE YOU HAVE A GREAT DAY!!!

3D+5a-4=13,3D= 3•4=12,5a=5•1=5,12+5=17,17-4=13,13
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