How do you solve the linear equation x=y+3 and 3x-2y=4 using the substitution method and are they dependent, independent, or inconsistent?

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Answer 1 · 2016-02-06T14:22:45

#x=-2# and #y=-5#
independent

from the given
#x=y+3# first equation
and #3x-2y=4# second equation

Use first equation in to the second equation

#3(y+3)-2y=4#

#3y+9-2y=4#
#3y-2y=4-9#

#y=-5#

go back to thr first equation use #y=-5#

#x=y+3#
#x=-5+3#
#x=-2#

independent system of equations

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