Ca3rlcorrenee Ca3rlcorrenee

20-07-2016
Mathematics

contestada

Solve the equation. Check for extraneous solutions.

|4x+3| = 9 + 2x

Respuesta :

meerkat18 meerkat18

20-07-2016

eextraneous solutiosn are solutions such that when substituted to the original equation, the equation becomes invalid. In this case,

|4x+3| = 9 + 2x is
4x+3 = 9 +2x
2x = 6
x = 3

4x+3 = -9 -2x
6x = -12
x =-2

Both solutions are non-extraneous

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