let the pants be x+600 and let the blouse be x so the equation is x+x+600=1200 or 2x+600=1200 transpose 600 so: 2x=1200-600 2x=600 now simplify (divide both by 2) [tex] \frac{2x}{2} = \frac{600}{2} [/tex] x=300 so the blouse is Php300 the pants are Php 900