Math Problem Statement

the solution of the equation 5 - 2x = -4x - 7 is

Solution

To solve the equation 52x=4x75 - 2x = -4x - 7, we can follow these steps:

  1. Simplify the equation: Start by moving all terms involving xx to one side of the equation and constants to the other side.

    Add 4x4x to both sides:

    52x+4x=4x7+4x5 - 2x + 4x = -4x - 7 + 4x

    Simplify:

    5+2x=75 + 2x = -7

  2. Isolate xx: Subtract 5 from both sides to isolate the terms with xx.

    2x=752x = -7 - 5

    Simplify:

    2x=122x = -12

  3. Solve for xx: Divide both sides by 2:

    x=122x = \frac{-12}{2}

    Simplify:

    x=6x = -6

So, the solution to the equation is x=6x = -6.

Would you like further details or have any questions? Here are some related questions:

  1. How would you solve a similar equation with different coefficients?
  2. What happens if you transpose variables incorrectly?
  3. How can you check the solution of an equation?
  4. What is the graphical representation of the equation 52x=4x75 - 2x = -4x - 7?
  5. How can solving linear equations be applied in real-life scenarios?

Tip: Always double-check your work by substituting the solution back into the original equation to verify correctness!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

Equation balancing
Variable isolation

Theorems

Equality properties
Addition and subtraction properties of equality

Suitable Grade Level

Grades 7-8