SOLUTION: which ordered pair is a solution of the linear system x+2y=-8 and -4x+y=5
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Question 853484
:
which ordered pair is a solution of the linear system
x+2y=-8 and -4x+y=5
Answer by
josgarithmetic(39618)
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-4x+y=5 is equivalent to -4x+4x+y=4x+5, y=4x+5.
Substitute into the other given equation:
x+2(4x+5)=-8 and solve for x. What happens? What is y?