OpenStudy (anonymous):

Select the best possible first step to solving the system by first eliminating the x variable. x - 3y = 12 2x + 5y = 2 Multiply the first equation by 2. Multiply the second equation by 2. Multiply the first equation by -2. Multiply the second equation by -2.

3 years ago
OpenStudy (mathstudent55):

To eliminate x, you need to add the equations and have the x-terms add to zero. x + 2x does not add to zero. The second equation has 2x. What added to 2x adds to zero?

3 years ago
OpenStudy (anonymous):

2 x 0 = 0 ? @mathstudent55 i dont get itttt

3 years ago
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