what is the solution for 1/2+x=5/4
1/2-(5/4) = x+1/4 // - x+1/41/2-x-(5/4)-(1/4) = 01/2-x-5/4-1/4 = 0-x-1 = 0 // + 1-x = 1 // * -1x = -1x = -1