Question
Write each algebraic expression described. Simplify if possible. See Example $11 .$Classrooms on one side of the science building are all numbered with consecutive even integers. If the first room on this side of the building is numbered $x,$ write an expression in $x$ for the sum of five classroom numbers in a row. Then simplify this expression.
Step 1
Since the classrooms are numbered with consecutive even integers, the second classroom is numbered $x+2$, the third one is $x+4$, the fourth one is $x+6$, and the fifth one is $x+8$. Show more…
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