Question

Amanda composed two songs. The longer song is 126 seconds less than twice the length of the short song. The longer song lasts 286 seconds. How long is the shorter song?

Answer 1

Shorter song= y seconds
Longer song=2y-126
2y-126=286
2y=412
y=206
The shorter song is 206 seconds

Answer 2

let x be the length of the short song
length of long one is 2x - 126
2x -126 = 286
2x = 412
x = 206