nays1
nays1
03-10-2017
Mathematics
contestada
what is the solution of y=3x-4 and y=-2x+1?
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Catya
Catya
03-10-2017
subtract the two equations
y = -2x + 1
-(y = 3x - 4)
-----------------
0 = -5x + 5
then 5x = 5
x = 1
use this to find y
y = -2(1) + 1
y = -1
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