tanmayi tanmayi

11-11-2016
Mathematics

contestada

There is a value of a such that subtracting a-4 from 4a+16 gives an answer of -25. What is that value of a?

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Lophile Lophile

11-11-2016

(4a + 16) - (a - 4)
= (3a + 20)
3a + 20 = -25
3a = -45
a = -15

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