Substitution Method. Help please? #5 please!

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asked Feb 16, 2018 213k views

1 Answer

Rcollyer · Answer 1 · 2018-02-19T21:32:03+0000

switch the second equation to equal y so...
y=-2x-3
then plug in for y in the first equation
2x+4(-2x-3)=6
2x-8x-12=6
-6x=18
x=-3
now plug in for y
2(-3)+y=-3
-6+y=-3
y=3

answer (-3,3)

Substitution Method. Help please? #5 please!

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