(7x-9=-2x)+4x=2x
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4x + y = 10 is a perfectly valid functional form. The standard form is 4x + y - 10 = 0
3y=4x+9.....-4xAnswer: 4x-3y=9
4x + 2y = -8 → 2y = -4x - 8 → y = -2x - 4
IN equation form, when the number is x: 3x = 6 + 4x 3x - 4x = 6 -x = 6
(2x-1)(2x-1) = 4x^2 -4x + 1