Is the given number a solution of the equation? c = 2c

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Is the given number a solution of the equation? c = 2c – 4; 8

asked Jul 13, 2019 166k views

2 votes

Is the given number a solution of the equation? c = 2c – 4; 8

Mathematics
college

Sravanti asked

by Sravanti

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1 Answer

1 vote

Try it.
8 =? 2*8 - 4
8 =? 16 - 4
8 =? 12

8 is not a solution of the original equation

Try 4
4 = 2*4 - 4
4 = 8 - 4
4 = 4 and yes 4 works.

4 is unique. No other solution will work.

Los Morales answered Jul 18, 2019

by Los Morales

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