Student work
A cyclist travels at 36 km/h for 5 seconds. How far do they go?
36 km/h × 5 s
= 180 m
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3(x + 2) = 15. Multiply both terms inside the parentheses by 3. 3x + 6 = 15. x = 3.
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The speed is in kilometers per hour, but the time is in seconds. Which units do you need before you multiply?
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Grade 7 · Math
Your workspaceOKLinear equations
Solve the equation
3(x + 2) = 15
3x = 13
x = 13/3
2. Try it yourself
2(x + 4) = 18
1Review the work. Edit the feedback. Preview what students see.
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ReasoningShow how you reached the answer.
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Grade 7Multiply both terms inside the parentheses by 3.
Give multilingual learners explanations in a language they understand.
EspañolMultiplica los dos términos dentro del paréntesis por 3.
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