zzere22 zzere22

20-04-2017
Mathematics

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A student is trying to solve the set of two equations given below:

Equation A: x + z = 6
Equation B: 5x + 7z = 1

Which of these is a possible step used in eliminating the z-term?

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Beginner123 Beginner123

20-04-2017

To eliminate z multiply equation A by 7 and subtract both equations or divide equation B by 7 and subtract. (in this case, multiplying Equation A by 7 would be easier)

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