Ralph wants to find the solution to a system of equations using y = x - 2 and y = x2 + 6x - 38. Joey says that Ralph can solve x2 + 5x - 36 = 0 to find the x-coordinates of the solutions to his system. Explain and demonstrate why Joey is correct.

Question

one098 · Answer

You might want to re-post in the Math section. You'll get help there.

anonymous · Answer

Because Joey used the substitution method by plugging x-2 into y of the other equation, so you will have to solve for x to get the x coordinate

inowalst · Answer

What @One098 said.