-4(16+8х)+12(7-3 х)=50(х+3)-(15-х)
-4(16+8х)+12(7-3 х)=50(х+3)-(15-х) -64-32х+84-36х=50х+150-15+х -32х-36х-50х-х=150-15+64-84 -119х=115 х=