Question 86

If 5x - (1/2)(2x -7) = 5.5, then what is the value of x?

Solution

Expression : $$5x-[\frac{1}{2}(2x-7)]=5.5$$

= $$5x-(\frac{2x-7}{2})=5.5$$

= $$\frac{10x-2x+7}{2}=5.5$$

= $$8x+7=5.5\times2=11$$

= $$8x=11-7=4$$

= $$x=\frac{4}{8}=\frac{1}{2}$$

=> Ans - (B)

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