Answer:4
Step-by-step explanation:
2x+25=6x+9
-2x -2x
25=4x+9
-9 -9
16=4x
divide both sides by 4
x=4
2x-2x+25=6x-2x+9
25-9=4x+9-9
16/4=4x/4
4=x or x=4