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    Hi guys, please see my system of three equations with 3 unknowns!
    Would you please be able to help me with operations.. e.g.,

    Times Eq 2 by 5 and subtract it from equation 1 for example

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    If you have been given SEs in this form there is probably an expected method to be used.
    A start for you would be to write x1=(10+x2)/6 and substitiuting this in 2 and 3. 2 and 3 are then a pair of SEs in 2 unknowns.
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Updated: November 11, 2016
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