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Question

Which value will replace the $x$ mark in the following equation?
$x-1586219=1903431$

The correct answer is
3489650

To find the value of \(x\) in the equation \(x - 1586219 = 1903431\), we will solve for \(x\) using basic algebraic manipulation.

  1. Start with the given equation:

\(x - 1586219 = 1903431\)

  1. To isolate \(x\), add 1586219 to both sides of the equation:

\(x - 1586219 + 1586219 = 1903431 + 1586219\)

This simplifies to:

\(x = 3489650\)

Therefore, the value that replaces the \(x\) mark in the equation is 3489650.

Let's confirm this answer by substituting it back into the original equation to verify:

  1. Substitute \(x = 3489650\) into the equation:

\(3489650 - 1586219 = 1903431\)

  1. Calculate the left-hand side:

\(1903431 = 1903431\)

The left-hand side equals the right-hand side, showing our solution is correct.

Thus, the correct answer is 3489650.

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Important Questions from Simplification

  1. Simplify the following expression.

    \(\left(\frac{7}{16} \div \frac{1}{2}\:of\: \frac{1}{5}\right)\times \frac{4}{5}-\frac{1}{3}\times\frac{5}{8}\div \frac{1}{2}+\frac{3}{4}\)

  2. The value of \(\left( {2\frac{6}{7}of4\frac{1}{5} \div \frac{2}{3}} \right) \times 5\frac{1}{9} \div \left( {\frac{3}{4} \times 2\frac{2}{3}of\frac{1}{2} \div \frac{1}{4}} \right)\)  is:

  3. The value of \(\left[ {\frac{4}{7}\rm \;of\;2\frac{4}{5} \times 1\frac{2}{3} - \left( {3\frac{1}{2} - 2\frac{1}{6}} \right)} \right] \div \left( {3\frac{1}{5} \div 4\frac{1}{2}\;\rm of\;\;5\frac{1}{3}} \right)\)  is:

  4. The value of \(\frac{{0.0203 \times 2.92}}{{0.7 \times 0.0365 \times 2.9}} \div \frac{{{{\left( {12.12} \right)}^2} - {{\left( {8.12} \right)}^2}}}{{{{\left( {0.25} \right)}^2} + \left( {0.25} \right)\left( {19.99} \right)}}\)  is:

  5. The value of 4 ÷ 12 of [3 ÷ 4 of {(4 - 2) × 6 ÷ 2}] - 2 × 6 ÷ 8 + 3 is:

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