Question

16 + 8 × = 3 × + 81?

Answer 1

Explicação passo-a-passo:

16+8x=3x+81

8x-3x=81-16

5x=65

x=65/5

x=13

Resposta : S={ 13 }

Answer 2

16+8x=3x+81

8x-3x=81-16

5x=65

x=65/5

x=13