That depends which symbols are missing in the middle of the sum.
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x=7
5x-2 = 3x-6 5x = 3x - 6 +2 5x = 3x - 4 5x - 3x = -4 2x = -4 x = -2
So, we have 3x = 4 for some number x. We will solve for x. 3x = 4 (1/3)*(3x) = (1/3)*(4) [multiplied by (1/3) on both sides] x = 4/3
3x + 2x = 5x. 5x= (-4) X = (-4)/5 x= -0.8
4 + 3x = -8subtract four from each side3x = -12divide each side by threex = -4