So I have to find the value of y by using substitution and my teacher gave me this problem?

Question

x=y and x+2y=3

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Answer 1 · 2018-05-09T21:33:01

#y=1# (and #x=1#)

Substitue #y# in for #x# in the second equation since #y# and #x# are equal:

#y+2y=3#

#3y=3#

#y=1#