7.3.A.05 - Using the Identity and Inverse to Write Equivalent Expressions - Exit Ticket

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2 questions

Find the sum of 5x + 20 and the opposite of 20.Write an equivalent expression in standard form. Justify each step.

From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 3, Topic A, Lesson 5. Internet. Available from https://www.engageny.org/resource/grade-7-mathJmat...; accessed 06/Oct/2015.