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2x - y = 8 x2 4x - 2y = 16
2x - 4 = 8 7x = 28
2x = 12 x = 4
x = 6
----> 4x + 6y = 4.4 + 6.6= 16+36 = 52
2x - y = 8 (x3)
_____________
6x+4y=24
6x-3y=24
_________-
y=0, x=4
4x+6y=
4(4) + 6(0) = 16