Question

-x + 3 = 7

X=-4
X= 7
X= 4
X = -7

Answer 1

x = -4

Explanation:

Step 1: Write equation

-x + 3 = 7

Step 2: Solve for x

1. Subtract 3 on both sides: -x = 4
2. Divide both sides by -1: x = -4

Step 3: Check

Plug in x to verify it's a solution.

-(-4) + 3 = 7

4 + 3 = 7

7 = 7