Question

C=r(5-d)/y We need to solve for d.

Answer 1

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`C=(r(5-d))/(y)\\\\cy=r(5-d)\\\\5-d=(cy)/(r)\\\\-d=(cy)/(r-5)\\\\d=-(cy)/(r)+5\\\\d=5-(cy)/(r)`

Answer 2

5-Cy/r = d

Explanation:

C=r(5-d)/y

Multiply each side by y

Cy=r(5-d)/y *y

Cy=r(5-d)

Divide each side by r

Cy/r=r(5-d)/r

Cy/r=(5-d)

Subtract 5 from each side

Cy/r - 5 = 5-d-5

Cy/r - 5 = -d

Multiply by -1

-Cy/r + 5 = d

5-Cy/r = d