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Expressions & Equations: Linear Equations
Introduction to Linear Equations
Description
Introduction to Linear Equations
Introduction
Have you ever needed to figure out an unknown value, like how much money someone spent or how many points a team scored? Linear equations help us solve problems like these. A linear equation with one solution h...
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Transcript
Emma buys a pack of 3 markers and a $7 sketchbook. The total cost is $16. Emma wonders, “What is the price of one marker?”
To find it, she writes the equation: 3x + 7 = 16.
She subtracts seven from both sides to remove the sketchbook’s cost and gets 3x = 9.
Next, since 3 multiplies x, she divides both sides by 3 to isolate x, g...
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