\[(10x - 3) + (14x - 4) =\]
\[= 8 - (15 - 22x)\]
\[10x - 3 + 14x - 4 =\]
\[= 8 - 15 + 22x\]
\[24x - 22x = - 7 + 3 + 4\]
\[2x = 0\]
\[x = 0.\]