30=7r+5 what’s does r stand for

asked May 12, 2022 41.0k views

15 votes

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11 votes

Answer:

In math, r usually stands for radius.

Explanation:

Yedida answered May 13, 2022

3.5k points

7 votes

Answer:

An unknown variable

Explanation:

r is an unknown variable -> the equation is used to solve for it.

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