Only if 4 dollars plus 4 dollars equals 8 dollars.
And if you had another 4x, you'd have a dozen-x.
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4x + 3y = 8x + y so 3y - y = 8x - 4x ie 2y = 4x so y = 2x
4x+8x+3 = 12x+3
4x - 10 = -4x + 22 +4x+10=+4x +10 8x = 32 x = 4
Subtract 4x from each side: 4x + 9 = 25Subtract 9 from each side: 4x = 16Divide each side by 4: x = 4
No.