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28-03-2020
Mathematics

contestada

How many solutions does the equation have?
-9 = |d+4|

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MystaryPi MystaryPi

28-03-2020

Answer:

2 solutions

Step-by-step explanation:

Set up a system of equations. The absolute value produces two equations because one answer will be negative and the other positive.

d + 4 = -9

d + 4 = 9

So...

d = -13

d = 5

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