How do you solve the following system?: #y=2x + 3 , 7y=3x+1 #

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Answer 1 · 2015-11-14T14:46:10

#(-20/11, -7/11) in mathbb{Q times Q}#

#7(2x + 3) = 3x + 1#

#14x - 3x = 1 - 21#

#x = -20/11#

#y = -2 * 20/11 + 3#

Answer 2 · 2015-11-14T16:06:06

Have a look at the link http://socratic.org/s/apkk2BM9
It is a detailed explanation of method but related to another problem of the same type

See above.