02-10-2019
Mathematics

contestada

If |3x - 7|= |3x + 1| what is the value of x?

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02-10-2019

Answer:

x = 1

Step-by-step explanation:

First, try setting the two equal to each other without absolute value

3x - 7 = 3x + 1

0 = 8

That's undefined, so try making one negative. It doesn't matter which, so I'll do the first one.

-(3x - 7) = 3x + 1

7 - 3x = 3x + 1

6 = 6x

1 = x

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