what does the equation equal? if it equals zero: 0= 3x(4-11) 0=3x(-7) 0=3x 0=x if the equation doesn't equal anything, it means it's just an expression meaning you can't solve for x, you can only reduce (and this equation is already reduced). if the equation equals y, you need another equation and use either substitution or elimination to solve for x.
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2x minus 3x is equal to -x.
(x-4)(3x-2)/(x-4) is equivalent to 3x-2 except when x=4.
2x + 20 = 3x20 = 3X - 2X20 = X
3x+5x-2x = 24 6x = 24 x = 4
3x+3=0 -3 = -3 = 3x=-3 /3 /3 x= -1