Question

8) Resolva as equações:
x kg
x kg
5kg
13kg
x x x x x
500g
100g​

Answer 1

Resposta:

a)x=4kg

b)x=120g

Explicação passo-a-passo:

a)

x+x+5=13kg

2x+5=13kg

2x=13kg-5kg

2x=8kg

x==8kg/2kg

x=4kg

b)

x+x+x+x+x=500+100

5x=600

x=600/5

x=120g