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4x-1=0/+1
4x=1/:4
x=1/4
x⁶-64=0
6x-64=0/+64
6x=64/:6
x=10 2/3
8x⁶-7x³-16=0
261801x-16=0/+16
261801x=16/:261801
x=0.000061
½|x³+1|=x²-x+1
1.5x+1/2=2x-x+1
1.5x+1/2=x+1/-1/2
1.5x=x+1/2/-x
1/2x=1/2
x=1
x³-8|=x²+2x+4
3x-8=2x+2x+4
3x-8=4x+4/+8
3x=4x+12/-4x
-x=12/*-1
x=-12