Question

va rog ajutatima la cele trei ex

Answer 1

4)albi=120
galbeni=120-20=100
roz=230+120+100=450
rosii=1000-120-100-450=330

5)x+200-300=200
x=200+300-200
x=300

6)(a+20)+375=500
a+20=500-375
a+20=125
a=125-20
a=105

b)(a-300)+125=375
a-300=375+125
a-300=500
a=500+300
a=800