minus, 7, y−7yplus, 1+1plus, 4, x+4xminus, 7, x−7xplus, 5+5minus, 7−7

It seems like you're listing a sequence of mathematical expressions, possibly to simplify or combine them. Let's rewrite and simplify these expressions:

1. \( -7y - 7y + 1 + 1 + 4x + 4x - 7x - 7x + 5 + 5 - 7 - 7 \)

Now, let's combine like terms:

### Simplifying:
- Combine the \( y \) terms:  
  \( -7y - 7y = -14y \)

- Combine the \( x \) terms:  
  \( 4x + 4x - 7x - 7x = 8x - 14x = -6x \)

- Combine the constant terms:  
  \( 1 + 1 + 5 + 5 - 7 - 7 = 2 + 10 - 14 = -2 \)

So, the simplified expression is:

\[ -14y - 6x - 2 \]

Would you like more details, or do you have any questions?

Here are five related questions:

1. How would you factor out common terms from the expression \(-14y - 6x - 2\)?
2. What is the significance of combining like terms in algebraic expressions?
3. Can you solve the equation \( -14y - 6x - 2 = 0 \) for \( y \) in terms of \( x \)?
4. How would the expression change if all signs were reversed?
5. What happens if you substitute specific values for \( x \) and \( y \) in the simplified expression?

**Tip:** When combining like terms, always keep track of the coefficients and signs to ensure accurate simplification.

Learn how to simplify and combine like terms in algebraic expressions with the problem: -7y - 7y + 1 + 1 + 4x + 4x - 7x - 7x + 5 + 5 - 7 - 7. Explore step-by-step solutions and understand the importance of combining like terms. Suitable for Grades 7-9 students.

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