2x+5 -5y+2 2x-1 4-z 7-X

2x + 5 = 7x -5x+ 2 = -3x 2x-1 + 3x 4-z = 3 7-x = 6

a)2x+5 = -5/2 x = -5/2 = -2 ½ b)-5y+2 = -2/(-5) y = ⅖ c) 2x-1= 1/2 x = ½ d) 4-z z = 4 e) 7-X - x = -7/(-1) x = 7