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MIDDLE SCHOOL

Mathematics (Grade 7)

Solving Linear Equations

Understanding Equations and Solutions
01:30
Understanding Equations and Solutions

An equation is a mathematical statement showing that two expressions are equal. Solving an equation means finding the value of the unknown variable th

Video Duration: 1 minute and 30 seconds
Free Sample
Solving One-Step Equations
01:19
Solving One-Step Equations

A one-step equation can be solved using just a single inverse operation to isolate the variable. These equations arise frequently in real-world situat

Video Duration: 1 minute and 19 seconds
Checking Solutions
01:12
Checking Solutions

After solving an equation, checking the solution by substituting it back into the original equation confirms whether the answer is correct. This verif

Video Duration: 1 minute and 12 seconds
Solving Two-Step Equations
01:30
Solving Two-Step Equations

A two-step equation requires two inverse operations applied in the correct order to isolate the variable. These equations commonly model real-life sit

Video Duration: 1 minute and 30 seconds
Solving Equations with Fractions
01:30
Solving Equations with Fractions

Two-step equations can include fractional coefficients, which appear in situations where quantities are shared equally. Solving these equations follow

Video Duration: 1 minute and 30 seconds
Solving Equations with Decimals
01:30
Solving Equations with Decimals

Linear equations can include decimal values. Solving equations with decimals uses the same properties of equality as solving equations with whole numb

Video Duration: 1 minute and 30 seconds
Solving Equations with Parentheses
01:20
Solving Equations with Parentheses

Some two-step equations include parentheses that group a variable expression with a constant. Solving these requires first removing the parentheses by

Video Duration: 1 minute and 20 seconds
Solving Equations with Variables on Both Sides
01:20
Solving Equations with Variables on Both Sides

Some equations have variable terms on both sides of the equals sign. To solve these, collect all variable terms on one side and all constants on the o

Video Duration: 1 minute and 20 seconds