Solve for 4 - (x + 2) < -3 ( x + 4 ) ( 9th grade Algebra 1)

Mathematics

1 answer:

belka [17]3 years ago

4 0

<h2>Answer:</h2><h2>A. x < -7</h2><h2></h2><h2>Hope this helps!! <3</h2><h2>(i took this class, i know its correct) :)</h2><h2></h2><h2></h2><h2></h2>

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The equation 2x + 4k − 9 = kx − k + 1 is really a family of equations, because for each value of k, we get a different equation

Olegator [25]

You haven't shared "the given value of x," or, if you have, you haven't drawn attention to it.

Just suppose we were to choose x = 4 as a possible solution and then try to find a value of the parameter k that would make x = 4 an actual solution.

2(4) + 4k - 9 = (4)(4) - (4) + 1

Then 8 + 4k - 9 = 16 - 4 + 1, or 4k - 1 = 13. Then 4k = 14, and k = 14/4, or (after reduction) k = 7/2

If the parameter k equals 7/2, then x = 4 is a solution to the given equation.

To check this out further, start with the proposed solution x = 5 and find k.

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