math

posted by Taylor

solve with substitution:

4x+y=2
3y+2x=-1

1. John

y = 2-4x

Substituting,
3(2-4x) + 2x = -1
6-12x + 2x = -1
-10x = -1-5
-10x = -6
x = 6/10 or 3/5

2. John

error.. that's supposed to be

-10x = -1-6
-10x = -7
x = 7/10

im so sorry..

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