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Use the numbers 2, 11, 13, and 15 to write an equation.Replace one of the numbers in your equation in Exercise 8 with thevariable y. Determine whether 2, 11, 13, or 15 is a solution of yourequation.

Use the numbers 2, 11, 13, and 15 to write an equation.Replace one of the numbers-example-1
User Illep
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Given:


2\cdot11+13-15=20

say we replace 13 with y, then the resulting equation is:


2\cdot11+y-15=20

solving,


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User Zoras
by
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