Question

3.(x+2)+5=x+12 QUal o valor de x ??

Answer 1

3. (x+2) +5 = x +12
3x +6 +5 = x +12
3x -x =12 -6 -5
2x= 6 -5
2x= 1
x= $\frac{1}{2}$
x= 0,5

Answer 2

3x + 6  +5= x +12

-x +3x = -6 + 12 -5

2x = 1

x = 0,5