asked 68.3k views
5 votes
Clare used linear combination to solve the equations shown. She did so by multiplying the second equation by a certain number to eliminate the x-terms. What number did Clare multiply the second equation by?

{x - y = 5
{0.5x + 0.1y = 8.5

1 Answer

6 votes
She multiplied the second equation by -0.5
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User Microkernel
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