500 people took part in a marathon. 35% of them were children and the rest were adults. How many adults took part in the marathon?

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

c

step-by-step explanation:

use photo math thats what i use u can scan the problem and it tells u the answer