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Mathematics 9 Online
OpenStudy (anonymous):

The table below shows two equations: Equation 1 |4x – 3|− 5 = 4 Equation 2 |2x + 3| + 8 = 3 Which statement is true about the solution to the two equations? Equation 1 and equation 2 have no solutions. Equation 1 has no solution and equation 2 has solutions x = -4, 1. The solutions to equation 1 are x = 3, -1.5 and equation 2 has no solution. The solutions to equation 1 are x = 3, -1.5 and equation 2 has solutions x = -4, 1.

OpenStudy (nincompoop):

how about you go an try to solve the problem first?

OpenStudy (anonymous):

@nincompoop wow!!! i never thought of that!! thanks for all ur help buddy!! not like i posted it bc i didnt understand it or anything!! :))))

OpenStudy (nincompoop):

well I'd like to see you try so I know where's the lack of understanding is coming from :)

OpenStudy (anonymous):

@nincompoop I'm confused where some answer options offer two numbers. like for example "equation 2 has solutions x = -4, 1". How can x be -4 AND 1?

OpenStudy (nincompoop):

when dealing with an absolute value, there are always two answers |-x| = x |x| = x therefore, x = -x and x

OpenStudy (anonymous):

@nincompoop ok, i'm taking a pre-test for a chapter i've never learned yet, so I know little to nothing about this chapter.

OpenStudy (nincompoop):

should I put up some other examples to elaborate the concept?

OpenStudy (anonymous):

yes, pleeeeeeeease. :3

OpenStudy (nincompoop):

it's simply as dealing with any other equation or inequalities, you always isolate the variables that you are trying to solve. with absolute values however, you end up with two answers.

OpenStudy (nincompoop):

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