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Solve the following equation: (1+4x)/2 - (5+2x)/7 = x−2

Mathematics

ScanSolve AI Answer

Answer

−52-\frac{5}{2}

Step-by-step solution

10 steps

Here's how to solve the equation:

  1. Write the given equation.

    1+4x2−5+2x7=x−2\frac{1+4x}{2} - \frac{5+2x}{7} = x-2
  2. Find a common denominator for the fractions on the left side.

    The least common multiple of 2 and 7 is 14.

    7(1+4x)14−2(5+2x)14=x−2\frac{7(1+4x)}{14} - \frac{2(5+2x)}{14} = x-2
  3. Combine the fractions on the left side.

    7(1+4x)−2(5+2x)14=x−2\frac{7(1+4x) - 2(5+2x)}{14} = x-2
  4. Distribute the numbers in the numerator.

    7+28x−10−4x14=x−2\frac{7 + 28x - 10 - 4x}{14} = x-2
  5. Combine like terms in the numerator.

    24x−314=x−2\frac{24x - 3}{14} = x-2
  6. Multiply both sides by 14 to eliminate the denominator.

    24x−3=14(x−2)24x - 3 = 14(x-2)
  7. Distribute 14 on the right side.

    24x−3=14x−2824x - 3 = 14x - 28
  8. Move all terms with xx to one side and constant terms to the other side.

    Subtract 14x14x from both sides.

    24x−14x−3=−2824x - 14x - 3 = -28 10x−3=−2810x - 3 = -28
  9. Add 3 to both sides.

    10x=−28+310x = -28 + 3 10x=−2510x = -25
  10. Divide by 10 to solve for xx.

    x=−2510x = \frac{-25}{10} x=−52x = -\frac{5}{2}

    The final answer is −52-\frac{5}{2}.

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