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Topic 3 Unit A

Equations and Inequalities

Two values that are not equal. Inequality
A mathematical sentence built from expressions using an equal sign. Equation
A symbol for a number we don't know yet. It is usually a letter like x or y. Variable
6x + 9 = 23 is an.... Equation
5s is an example of an Expression
2r - 90 > 134 is an.... Inequality
Solve 6r - 9 > 27 r > 6
Solve 23 < 7r + 2 3 < r
Solve 7r - 7 < 49 r < 6
Solve 4r - 9 = 35 r = 11
Created by: floodj