math
posted by josh .
solve using the substitution method:
8x+5y=12
x=124y

x=124y
8x+5y= 12
8*(124y)+5y= 12
8*128*4y+5y= 12
9632y+5y= 12
9627y= 12
96+12=27y
108=27y Divide with 27
4=y
y=4
x=124y
x=124*4
x=1216
x= 4