applejuice57 applejuice57

11-04-2021
Mathematics

contestada

Which equation is not equivalent to 2x + 14 = 4x– 6

14 + 6 = 2x
-2x= 20
2x – 4x= -20
X = 10

Respuesta :

meowmeow223334 meowmeow223334

11-04-2021

First solve the equation
2x + 14 = 4x - 6
2x + 20 = 4x
20 = 2x, x = 10
See if any of the following has x = 10

Solution: -2x = 20
Because -2(10) = -20, so x isn’t 10

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