Math, asked by cutiiii, 1 year ago


2x + 4 \div  5 x = 8 \: check \: in \: result

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cutiiii: please help me

Answers

Answered by TRISHNADEVI
1
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\underline{SOLUTION}

2x + \frac{4}{5} x = 8 \\ \\ = > \frac{10x + 4x}{5} = 8 \\ \\ = > \frac{14x}{5} = 8 \\ \\ = > 14x = 40 \\ \\ = > x = \frac{40}{14} \\ \\ = > x = \frac{20}{7}

\underline{Checking \: \: Result \: : - }

x = \frac{20}{7} \\ \\ Putting \: \: the \: \: value \: \: of \: \: x \: \: in \: L.H.S. \: \:o f \\ the \:equation \: \: ,we \: \: get \\ \\ L.H.S. \: = 2x + \frac{4}{5} x \\ \\ = 2 \times ( \frac{20}{7} ) + \frac{4}{5} \times ( \frac{20}{7} ) \\ \\ = \frac{40}{7} + \frac{16}{7} \\ \\ = \frac{56}{7} \\ \\ = 8 \\ \\ = R.H.S.

\underline{ANSWER}\boxed{x \: = \frac{20}{7} }

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