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OpenStudy (anonymous):
What is the value of the x variable in the solution to the following system of equations? 4x + y = 8 x - 2y = 2
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OpenStudy (anonymous):
Substitution: Find the value of y in the first equation: 4x + y = 8 y = -4x + 8 Now SUBSTITUTE the value of y into the second equation: x - 2y = 2 x - 2(-4x + 8) = 2 x + 8x - 16 = 2 9x - 16 = 2 Can you solve for x from there?
OpenStudy (anonymous):
YEP! lol
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