Question

determine a raiz de cada equaçao a seguir 3. (x+2)+5=x+12

Answer 1

3x + 6 + 5 = x + 12

3x - x = 12 - 6 - 5

2x = 1

x = $\frac{1}{2}$

Answer 2

Resposta:

3×+6+5=×+12

3×-×=12-6-5

2×=1

×=12