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ChecK if x=2 is a solution of a) 7x+5=21 b 2*-2=2
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ChecK if x=2 is a solution of a) 7x+5=21 b 2*-2=2

User Sollniss
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1 Answer

10 votes

Answer:

First, substitute x for 2 in 7x+5=21.

7 * 2 = 14 + 5 = 19

x = 2 is not a solution of 7x+5=21.

User Jason Musgrove
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