Solve for x:

c - 1

-------- + d = cd

x

c - 1

-------- + d = cd

x

c - 1

------- = cd - d {subtracted d from both sides}

x

c - 1 = x(cd - d) {multiplied both sides by x}

c - 1

---------- = x {divided both sides by cd - d}

cd - d

c -1

---------- = x {factored d out of bottom}

d(c - 1)

**1**

--- = x{cancelled c - 1 on top and bottom}

--- = x

**d**

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