A student is trying to solve the set of two equations given below: Equation A: x + z = 6 Equation B: 3x + 2z = 1 Which of the following is a possible step used in eliminating the z-term? A. Multiply equation A by –2. B. Multiply equation B by 2. C. Multiply equation A by 3. D. Multiply equation B by 3.

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A student is trying to solve the set of two equations given below: Equation A: x + z = 6 Equation B: 3x + 2z = 1 Which of the following is a possible step used in eliminating the z-term? A. Multiply equation A by –2. B. Multiply equation B by 2. C. Multiply equation A by 3. D. Multiply equation B by 3.

Mathematics
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well, how would you attempt to go about it?

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I'm not sure what the answer is. Or how to find out how to get the answer.
im not sure what they call the method in your material, it was called "elimination" when i took the class many moons ago .. study up on it and tell me what you get from it
ive heard it call "addition" method before ..
its A by -3 because you are subtracting the 2x and the 3z; which equals 1 i think
The key to learning, and studying, is to allow the asker to put some thought and research into the problem. And not by just doing all the work and thinking for them. This is why we do not allow for direct answers, and requires the askers participation in the solution process. We are not an answering service.
there is no -3!
yes there is choice d
oh nevermind
multiplying eqution A by -3, would eliminate (hence the name elimination method) the x variables when added (hence the name addition method), we want to eliminate the z
i know! But some people give out direct answers! and did i ask for an answer? No! I asked for help! help is nothing like giving answers.
its not -3 its just plain 3.
I was responding to the direct answer that was given :)
are you sure its D?
what do you understand from your course material, as to this elimination method? This question is simply asking you to apply a part of it. If you have some thought about it (right or wrong) we can correct if need be.

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