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How do you do this problem 7-r=8-r-r​
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5 votes
How do you do this problem 7-r=8-r-r​

User Kelley
by
7.7k points

2 Answers

1 vote

Answer:

r = 1

Explanation:

7 - r = 8 - 2r

Add 2r to both sides

7 + r = 8

Subtract 7 from both sides

r = 1

User Funkwecker
by
7.7k points
4 votes

Answer:

r = 1

Explanation:

Solve for r

by simplifying both sides of the equation, then isolating the variable.

User Steven Scotten
by
7.6k points
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