8x - 2x = 90 so 6x = 90 so x = 15
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3x + 2x - 8x + 2x = -x
4x2+8x+3 ------> (2x+3)(2x+1)
2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x
Let the required number be equal to x According to the given equation 2/3 of x= 8(-x) 2x/3= -8x 2x/3+(-8x)=0 2x/3-8x=0 2x/3-24x/3=0 -21x/3=0 -21x=0 x=0/-21 x=0 Hence the number would be 0.
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