(x+3) - 17 = -20x + 3 - 17 = -20x - 14 = -20x = -20 + 14x = -6
-(10-b) + 23.5 = -40.4-10 + b + 23.5 = -40.4b + 13.5 = -40.4b = -40.4 - 13.5b = -53.9
(m+8)/15 - 2/15 = 0.8(m+8)/15 = 0.8 + 2/15(m+8)/15 = 0.8 + 2/15(m+8)/15 = 6/15m + 8 = 6m = 6 - 8m = -2
(x+3) - 17 = -20
x + 3 - 17 = -20
x - 14 = -20
x = -20 + 14
x = -6
-(10-b) + 23.5 = -40.4
-10 + b + 23.5 = -40.4
b + 13.5 = -40.4
b = -40.4 - 13.5
b = -53.9
(m+8)/15 - 2/15 = 0.8
(m+8)/15 = 0.8 + 2/15
(m+8)/15 = 0.8 + 2/15
(m+8)/15 = 6/15
m + 8 = 6
m = 6 - 8
m = -2