Question

Which values of x are not roots for each equation

|2x-3| = 7

Answer 1

x=5, -2.

Explanation:

abs(2x-3)=7

2x-3=7 or 2x-3=-7

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2x-3=7

2x=7+3

2x=10

x=10/2

x=5

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2x-3=-7

2x=-7+3

2x=-4

x=-4/2

x=-2