a) 3,5kg

b) 30g

c) 120g

a) 2x = x+3,5

2x-x = 3,5

x = 3,5kg

b) 3x+20+50 = 2x+50+50

3x+70 = 2x+100

3x-2x = 100-70

x = 30g

c) x+y = y+120

x = y-y+120

x = 120g

❤️❤️ Boa Semana

19/11/23