silverwinter17
silverwinter17
31-03-2017
Mathematics
contestada
substitute
5x+3y=7
x=3y-13
Respuesta :
kmp1127
kmp1127
31-03-2017
5x+3y=7
-x +3y=13
5x+3y=7
x -3y = -13
6x = -6
x= -1
Then plug in x to find y.
5x+3y=7
5(-1)+3y=7
-5 +3y=7
3y=12
y=4
Good luck hope this helps :)
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