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Stage 1 - Stage 3

The first of two consecutive numbers is $\frac{7+p}{2}$7+`p`2. Write an expression for the other number.

Easy

Less than a minute

The first of two consecutive even numbers is $\frac{x}{4}-9$`x`4−9. Write an expression for the next even number.

Write an algebraic expression for the following phrase. Let the variable $x$`x` represent the number.

"The sum of $9$9 divided by a number and that number divided by $9$9"

If a triangle has one side of length $4x$4`x` cm, another double this length, and the final side being $8$8 cm, write an expression for its perimeter.

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