Math Problem Statement

¿Cuál es el resultado correcto si se quiere dejar completamente sola la variable en el lado izquierdo de la siguiente ecuación? 5 - 4y = 2y

Solution

The equation you have presented in the photo is:

54y=2y5 - 4y = 2y

To solve this equation for yy, we first need to get all the yy-terms on one side and the constants on the other. We can start by subtracting 2y2y from both sides:

54y2y=05 - 4y - 2y = 0 56y=05 - 6y = 0

Now, isolate yy by moving the constant term to the other side:

6y=5-6y = -5

Finally, divide both sides by 6-6 to solve for yy:

y=56y = \frac{-5}{-6} y=56y = \frac{5}{6}

This results in the equation:

y=56y = \frac{5}{6}

Among the options you provided in the screenshot, none of them correctly reflects the isolated variable yy as 56\frac{5}{6}. It seems there might be an error in the provided options. Would you like further details or have any questions about this solution?

Related Questions:

  1. How would you solve for yy if the equation was 54y=3y5 - 4y = 3y?
  2. What if the equation had an additional constant on the left side, like 54y+3=2y5 - 4y + 3 = 2y?
  3. How would the solution change if it was 54y=2y5 - 4y = -2y?
  4. Could you graph the equation 54y=2y5 - 4y = 2y to visualize the solution?
  5. How can we check if our solution for yy is correct by substituting back into the original equation?

Tip: Always rearrange equations to get all variables on one side and constants on the other to simplify solving for the unknown.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

Linear equation solving
Variable isolation

Theorems

Addition property of equality
Subtraction property of equality

Suitable Grade Level

Grades 6-8