Question

Point M is the midpoint of segment AB. If `AM = 50-3x` and `MB=-20+4x`, what is the value of `x`?

Answer 1

`x=10`

Explanation:

Given that M is the midpoint of segment `AB`,
`=> AM=MB`
`=> 50-3x=-20+4x`
`=> 50+20=4x+3x`
`=> 70=7x`

`=> x=70/7=10`