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A numbers distance from 0 on a number line. Indicated by two bars //. 


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make things easier, more simple. 


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An equation whose variable have exponents no greater than 1. Ex: 3x +5=8 


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A mathematical statement that two expressions are equal. 3x + 6 = 2x  4 


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A value for the variable that makes the equation or statement true. 


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When there is more than one value which makes a mathematical statement true. 


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Two expressions with the same solution or solution set. 


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Using logic along with facts, definitions and properties to reach a conclusion. 


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The comparison of two quatities. 


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A stement that two ratios are equal. 


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A ratio of two values with different units as in 22 miles per 2 hours. 


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When the second unit is 1 as in 10 miles in hour. 


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A ratio that compares a number to 100 specifically. 


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A ratio between two measurements. 


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An equation which states a rule to a relationship among quantities. 


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An equation with two or more variables. 

