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Mathematics 11 Online
OpenStudy (anonymous):

If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step? 3x + y = 6 4x − 5y = 10

OpenStudy (dessy):

Add -1y to each side of the equation. 3x + y + -1y = 6 + -1y Combine like terms: y + -1y = 0 3x + 0 = 6 + -1y 3x = 6 + -1y Divide each side by 3. x = 2 + -0.3333333333y Simplify x = 2 + -0.3333333333y

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