Work Exercise in order. The steps justify the method of solving a proportion by cross products.
Compare your answers from Exercises 1 and 2. What do you notice?
Exercises 1
Solve the equation as follows.

(a) Multiply each side by the LCD. What equation results?
(b) Solve the equation from part (a) by dividing each side by the coefficient of x.
Exercises 2
Solve the equationusing cross products.

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