Question

RESOLVER !!!

1: 400 P + 150 = 500
2: 320 M - 80 = 240
3: 25/X + 35 = 100
4: 10/X - 60 = 90
5: 3 X + 3 X +2 X-4 =20

Answer 1

1: 400p + 150=500
400p =500-150
400p= 350
p=350:150
p=0,875