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MIDDLE SCHOOL

Mathematics (Grade 7)

Expressions and Equations

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Expressions and Equations: Solving Linear Equations

Solving Equations with Decimals

Description

Solving Equations with Decimals

Introduction

Linear equations can include decimal values. Solving equations with decimals uses the same properties of equality as solving equations with whole numbers. The goal is to...

Transcript

For a school event, T-shirts cost $6.75 each, plus a one-time design fee of $5.50. The total is $32.50. How many T-shirts were ordered?

Let x represent the number ordered. At $6.75 each, x T-shirts cost 6.75x. Adding the design fee gives total of 6.75x + 5.50 = 32.50. To solve for x, work backward.

First, subtract 5.50 from both side...

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