Question

|4х-3|=0, |4-5х|=0 и |9х+2|-3³=(-3)³

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Answer 1

$\displaystyle |4x-3|=0\\\\4x-3=0\\\\4x=3\\\\x=3/4$

$\displaystyle |4-5x|=0\\\\4-5x=0\\\\4=5x\\\\x=4/5$

$\displaystyle |9x+2|-3^3=(-3)^3\\\\|9x+2|-27=-27\\\\|9x+2|=-27+27\\\\9x+2=0\\\\9x=-2\\\\x=-2/9$