How do you solve the following system?: # 2x+5=-9y , 6x -12 = -3y #
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"How to prove this ?
#2|k^2# then #2|k# for some #k\inZZ#"
1 Answer
Dec 31, 2015
There are 3 *methods* ** to solve it. I am using substitution method.**
Explanation:
This is how we do this:
putting the value of
Now put the value of
