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Frank tried to solve an equation step by step.
-5=5(d+4)

-5=5d+20 Step 1
15=5d Step 2
3=d Step 3

Find Frank's mistake

a) Step 1
b) Step 2
c) Step 3
d) Frank did not make a mistake

Respuesta :

mwabamwaba2004

Answer:

B

Step-by-step explanation:

when grouping the like terms the 20 will become a negative therefore -20-5 is -25 so the 5d has to be divided into -25 and not 15.. making the rest of the answer wrong.

-5-20=5d

-25/5=5d/5

-5=d

I hope this helps

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