foolishmami foolishmami

05-07-2018
Mathematics

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How many solutions does 2x+ 2x+ 2=4+2x have

A) 0
B) 1
C) infinite
D) cannot be determined

Respuesta :

SyntaxError SyntaxError

05-07-2018

Let's see!
[tex]
2x + 2x + 2 = 4 + 2x\\
4x + 2 = 4 + 2x\\
4x - 2x + 2 = 4 + 2x - 2x\\
2x + 2 = 4\\
2x + 2 - 2 = 4 - 2\\
2x + 0 = 2\\
2x = 2\\
2x/2 = 2/2\\
x = 1\\
[/tex]
The answer is B

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