Michael Phelps is an American retired competitive swimmer and the most successful in most decorated Olympian of all time was a total of 28 medals has an oversized swimming pool whose side lengths are congruent. One side length of his swimming pool is represented by the algebraic expression: 0.6 + 0.3[-(-2)-(-0.2x)]-0.2 and the other side length is represented by the algebraic expression:0.08[1/2x-(-1/8)]+0.03x+0.01+0.01x. Use your knowledge Congruent sides well as solving linear equations in one variable then find the measurement of both side lengths. Note, you must first find the value of the unknown variable to obtain the value of both side lengths of the pool. Extension: what is you're observation about both side lengths after obtaining the unknown variable and substituting is on both sides? What can you conclude in terms of the solution? Justify your reasoning in words.

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A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.