Back to Solve real-world and mathematical problems leading to two linear equations in two variables — Problem 1 · Task Set 40

8.EE.C.8.c Tutor Intake -- Real-World Systems of Equations

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Grade 8·8 problems·~9 min·Common Core Math - Grade 8·standard·8-ee-c-8c
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Procedures

1

A rectangle's perimeter is 46 cm. Its length is 5 cm more than
twice its width: l=2w+5l = 2w + 5. Using the perimeter equation
2l+2w=462l + 2w = 46, substitute for ll and solve for the width ww.