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... Subtract 9 from both sides. Absolute-value expressions are always nonnegative. Therefore, the statement is false for all values of x. ...
... Subtract 9 from both sides. Absolute-value expressions are always nonnegative. Therefore, the statement is false for all values of x. ...
Grade 7 Mathematics Unit 6 Equations Estimated Time: 20 Hours
... The students will begin to solve equations using systematic trial and inspection. The students will often know the solution to an equation instantly. However, they will be asked to explain their reasoning before they move on to solving equations with two-pan balance models and algebra tiles. Student ...
... The students will begin to solve equations using systematic trial and inspection. The students will often know the solution to an equation instantly. However, they will be asked to explain their reasoning before they move on to solving equations with two-pan balance models and algebra tiles. Student ...