Respuesta :

kawaiiangelgirl
x=21/4 or 5 1/4 when you simplify
texaschic101
2/5(x - 4) = 1/2
2/5x - 8/5 = 1/2...multiply both sides by common denominator of 10
4x - 16 = 5
4x = 5 + 16
4x = 21
x = 21/4 or 5 1/4

or

2/5(x - 4) = 1/2....multiply both sides by 5/2
x - 4 = 5/4
x = 5/4 + 4
x = 5/4 + 16/4
x = 21/4 or 5 1/4