College Algebra / Alg 137 · Atom · ~20 seconds
Rational Equations
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State
A rational equation contains at least one rational expression; multiplying both sides by the LCD clears the denominators.
Show
1/x + 1/2 = 3/4: the LCD 4x turns it into 4 + 2x = 3x, a linear equation in plain clothes.
Watch for
The LCD multiplies every term on both sides.
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- Nothing — this is a starting point.
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- Nothing yet depends on this.