Question

What is the value for x when solving the equation

–x + (–1) = 3x + (–5) using algebra tiles?
x = –1
x = 1
x = 2
x = 3

Answer 1

It’s B

Explanation:

Answer 2

x = 1

Explanation:

Step 1: Write equation

-x + (-1) = 3x + (-5)

Step 2: Solve for x

1. Simplify signs: -x - 1 = 3x - 5
2. Add x to both sides: -1 = 4x - 5
3. Add 5 to both sides: 4 = 4x
4. Divide both sides by 4: 1 = x
5. Rewrite: x = 1

Step 3: Check

Plug in x to verify it's a solution.

-1 + (-1) = 3(1) + (-5)

-1 - 1 = 3 - 5

-2 = -2