tentukan nilai x+x dari persamaan linier ini4x-2x=8-9x

[tex]2x = 8 - 9x \\ 2x + 9x = 8 \\ 11x = 8 \\ x = \frac{11}{8} \\ \\ x + x = 2x \\ = 2 \times \frac{11}{8} \\ = \frac{22}{8} \\ = \frac{11}{4} [/tex]