Question

1. (-3x - 7) + (4x + 7) =

Explanation:

Step1: Remove parentheses

To simplify the expression \((-3x - 7)+(4x + 7)\), we first remove the parentheses. Since there are no coefficients outside the parentheses that would change the signs of the terms inside (other than the implicit \(+1\) in front of each parenthesis), we can rewrite the expression as:
\(-3x - 7 + 4x + 7\)

Step2: Combine like terms

Next, we combine the \(x\)-terms and the constant terms separately.
For the \(x\)-terms: \(-3x + 4x = x\)
For the constant terms: \(-7 + 7 = 0\)

Putting these results together, we get \(x + 0 = x\)

Answer:

\(x\)