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Earn +20 ptsQ: X - 2y equals -1 and 2x - y equals 4?
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3x plus 2y equals 10 2x plus 5y equals 3?
(4, -1)
What is the order pair for x - 2y equals -1 and 2x - y equals 4?
The ordered pair is (3, 2).
What is the order pair for x - 2y equals -4 and 2x - y equals 1?
The ordered pair is (2, 3).
What are the order pairs for 3x plus 2y equals 10 and 2x plus 5y equals 3?
x = 4 and y = -1 (4. -1)
What is the answer to 13x-2y equals 70 and 2x-2y equals 4 using the method of substitution?
i am guessing here that this is what you mean as it involves substitution: 2x-2y = 4 therefore -2y = 4 - 2x Sub the above line into the first equation gives: 13x - 2x +4 = 70 11x = 66 x=6 then sub in x 13(6) - 2y = 70 78 - 2y = 70 y=4 Yep, this is the exact same as simultaneous equations
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