A few days ago
Is this right? 3d-8=-6+d?
I got d=7
Top 2 Answers
A few days ago
Favorite Answer
3d – 8 = -6 + d
3d – 8 – d = -6 + d -d
2d – 8 = -6
2d – 8 + 8 = -6 + 8
2d = 2
2d/2 = 2/2
d = 1
a good way to verify your answer is to plug it back in to the equation and see if it holds:
3d – 8 = -6 + d
you got d=7:
3*7 – 8 = -6 + 7
21 – 8 = 1
13 = 1 FALSE
if you try 1:
3*1 – 8 = -6 + 1
3 – 8 = -6 + 1
-5 = -5 TRUE
good luck 🙂
0
A few days ago
i got D=1
0
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