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jok3333 [9.3K]
3 years ago
13

Substitution Method. Help please? #5 please!

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
8 0
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)
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