[tex]6-(3x+10)+4(2-x)=15 \\ \\ 6 - 3x - 10 + 4 (2 - x) = 15 \\ \\ -3x + 4 (2 - x) - 4 = 15 \\ \\ -3x + 8 - 4x - 4 = 15 \\ \\ -7x + 8 - 4 = 15 \\ \\ -7x + 4 = 15 \\ \\ -7x = 15 - 4 \\ \\ -7x = 11 \\ \\ x = - \frac{11}{7} \\ \\ [/tex]
The final result is: x = -11/7 or x = -1.5714.
