Question

Solve the equation : 0.36 + x) = 0.4(8 - x)​

Answer 1

Step-by-step explanation:

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Solve the equation : 0.36 + x) = 0.4(8 - x)

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$0.36 + x = 0.4(8 - x) \\ 0.36 + x = 0.32 - 0.4x \\ x = - 0.32 - 0.36 - 0.4x \\ x = - 0.34 - 0.4x \\ x + 0.4x = - 0.34$

${0.4x}^{2} = - 0.34 \\ {0.4x}^{2} = - 0.34 \\ x = \frac{ - 0.34}{0.4} \div \frac{0.4}{1} \\ x = \frac{ - 0.34}{0.4} \times \frac{1}{0.4} \\ x = \frac{ - 0.34}{0.16}$

The required solution is

$x = \frac{ - 0.34}{0.16 }$

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Answer 2

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