Answer:
Never true.
Explanation:
2(5x+4)=10x+6
10x + 8 = 10x + 6 (We can see here that both sides are NOT the same, but let's continue.)
10x + 8 - 6 = 10x +6 - 6
10x + 2 = 10x
10x -10x + 2 = 10x - 10x
2 ≠ 0
Both sides must be equal to 0 for the statement to be 'always' true.