If x and y are integers and y = |x+3|+|4-x| , does y equal 7 ?
1) x < 4
2) x > -3
Can we solve this without substituting numbers?
1) x < 4
2) x > -3
Can we solve this without substituting numbers?
I explained a conceptual approach to the problem here:
www.beatthegmat.com/og-ds-absolute-valu ... 32674.html
