Math Problem Statement

How do u get the 7x

Solution

Let's go through that step again.

Original Equation:

The equation we started with was: 8x+5=x+268x + 5 = x + 26

Goal:

We want to isolate the xx term on one side of the equation.

Step-by-Step Process:

  1. Subtract xx from both sides:
    On the right side of the equation, we have xx. To remove it from the right side, we subtract xx from both sides. 8x+5x=x+26x8x + 5 - x = x + 26 - x Simplifying this: 8xx+5=268x - x + 5 = 26 7x+5=267x + 5 = 26 Here, 8xx8x - x simplifies to 7x7x, which is how we get the 7x7x.

Next Step:

To isolate xx, subtract 5 from both sides, then divide by 7: 7x=217x = 21 x=3x = 3

This process of combining like terms (in this case, 8xx8x - x) is essential for simplifying the equation to solve for the unknown variable.

Would you like further explanation or have any other questions?


Here are 8 related questions for further practice:

  1. How do you simplify 10x3x10x - 3x in an equation?
  2. If you have 6x+8=3x+206x + 8 = 3x + 20, what steps do you take to isolate xx?
  3. How do you handle equations with variables on both sides?
  4. What is the next step after subtracting the same variable from both sides in an equation?
  5. Can you explain why it’s necessary to combine like terms in an equation?
  6. How do you solve 4x+7=2x+194x + 7 = 2x + 19 for xx?
  7. What happens when you subtract a smaller term from a larger term on both sides of an equation?
  8. How do you verify the solution to a linear equation?

Tip: Always perform the same operation on both sides of an equation to keep it balanced.

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Math Problem Analysis

Mathematical Concepts

Equations
Variables
Combining Like Terms

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9