Multiply the 2nd equation by -4.
What value belongs in the green box?
-2x + 4y = 15
-2...
Mathematics, 18.08.2021 19:10 andrew412603
Multiply the 2nd equation by -4.
What value belongs in the green box?
-2x + 4y = 15
-2x + 4y = 15
(3x + y = 2) multiply by -4 -12x + -4y = [?]
Answers: 2
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