How do i write a linear equation when i'm given an equation and a solution

For what values of x is x2 + 2x = 24 true?

Using elimination, what is -4x+2y=-12 4x+8y=-24

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.