F x/2 - 3x/4 + 5x/6 = 21 , then x is equal to
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X/2-3x/4+5x/6=21
X/2-3x/4+5x/6=21=> (6x-9x+10x)/12=21
X/2-3x/4+5x/6=21=> (6x-9x+10x)/12=21=>7x/12=21
X/2-3x/4+5x/6=21=> (6x-9x+10x)/12=21=>7x/12=21=>X=(21×12)/7=36
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