Question

Solutia naturala a ecuatiei 3(x+6)-3=-6(x-2)+8 este
A)5/9
B) zero tăiat
C) 9/5
D) -5/9

Answer 1

$\displaystyle 3(x+6)-3=-6(x-2)+8 \\ 3x+18-3=-6x+12+8 \\ 3x+6x=12+8-18+3 \\ 9x=5 \\ x= \frac{5}{9}$

Answer 2

3x + 18 - 3 = - 6x + 12 + 8
3x +  6x = - 15 + 20
9x = 5
x = 5/9