Question

Rearrange the equation so r is the independent variable.

10q - 5r = 30

Answer 1

q = 3 + 1/2r

Explanation:

I got this answer from khan academy.

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Answer 2

q = 3 + 1/2r

Explanation:

10q - 5r = 30

We want to solve for q

Add 5r to each side

10q - 5r+5r = 30+5r

10q = 30+5r

Divide by 10

10q/10 = 30/10 +5r/10

q = 3 + 1/2r