Answer:
0=0
This means it is true for all x
Explanation:
-5 + 5 (x-7) = -40 + 5x
Step 1: 5x-40=-40+5x
Step 2: Add 40 to both sides
5x-40+40=-40+5x+40
Step 3: Simplify
5x=5x
Step 4: Subtract 5x from both sides
5x-5x=5x-5x
Step 5: Simplify
0=0
Both sides are equal
True
Or
True for all x