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Mathematics 9 Online
OpenStudy (anonymous):

What is the first step in solving this system of equations by elimination? 2x – 2y = 5 5x + 2y = 9 A. Subtract the two equations. B. Add the two equations. C. Solve for y. D. Multiply each equation by 2.

OpenStudy (amonoconnor):

It wold be C. :)

OpenStudy (anonymous):

i think for once it is not C first step would be to add them

OpenStudy (amonoconnor):

And then solve it for one variable?

OpenStudy (anonymous):

the ans is -B

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