cristy4199 cristy4199

02-01-2019
Mathematics

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Nyah evaluated the expression for 3x + 2 for x = 5 as shown: 3x + 2 = 35 + 2 = 37. What was Nyah's mistake? What is the correct value if 3x + 2 for x =5

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RyanLeung RyanLeung

02-01-2019

x should be multiplied by 3.
Correct ans:
Substitute x=5,
3×5+2=17

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