The purpose of solving an algebraic expression in an equation is to find the unknown variable. When two expressions are equated, they form an equation and therefore, it becomes easier to solve for the unknown terms. To solve an equation, place the variables on one side and the constants on the other side.
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Table C is a function because there is one x-value for every y-value.
42 - -84=-42
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For this case we must simplify the following expression:
We convert the mixed number to an improper fraction:
So, by rewriting we have:
Answer:
[tex]\begin{gathered} \text{The inequality is,} \\ 5