Section_2-3_(part_2)_and_2-4

Section_2-3_(part_2)_and_2-4 - If no value of the variable...

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Section 2-3 (part 2) and 2-4 Equations with Fractions AND Solving equations with variables on both sides
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Objectives Use an LCD to clear an equation of fractions Gather all the variable to one side of an equation to solve.
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Getting rid of fractions Multiply by the LCD, and all your fractions go away! 7 2 3 2 = + x x
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Getting rid of decimals Multiply by a power of 10 (10, 100, 1000) and all your decimals go away!! 25 . 13 75 . 8 5 . 0 = + a
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Equations with variables on both sides Use inverse operations to get variables on one side of the equation. 16 5 4 7 + = - k k
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Equations with no solution
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Unformatted text preview: If no value of the variable makes the equation true, the equation has no solution. When solving you will arrive at an untrue statement 1 5 5 9-= + n n Identity an equation with many solutions An identity is true for every value of the variable. When solving you will arrive at something that looks Like 11=11 or 3=3 9 2 7 5 9 +-= + x x x You Try! 10 5 ) 2 ( 5-=-x x 17 5 17 3 + = + x x Homework # __ Page 91 (27-33 odd) & Page 98 (3, 9, 10, 28-32even, 35)...
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This note was uploaded on 05/16/2011 for the course ALGEBRA 098 taught by Professor Johnson during the Spring '09 term at Grand Valley State University.

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Section_2-3_(part_2)_and_2-4 - If no value of the variable...

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