3x+34×+40×=0

Answer 1

Do you mean 3x+34x+40x=0?
Let me help you with that! :)

1. Combine like terms together:
3x, 34x, and 40x are like terms: (3 + 34 + 40)x = 77x

2. Solve the equation: 77x = 0
a. Divide 77 on both side: 77x/77 = 0/77
-> x = 0!

Answer 2

I wished that helped you! Good luck on your learning! <3