175k views
2 votes
Help ? 72=-9d +9
d =

2 Answers

4 votes

Answer:

d=-7

Explanation:

72=-9d+9

move the terms

9d=9-72

calculate

9d=-63

divide both sides

=d=-7

solution

User Vasyl Zvarydchuk
by
5.5k points
5 votes
72 = -9d + 9
63 = -9d
63 / -9 = d
-7 = d
User Rori
by
5.1k points
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