-4(16+8x)+12(7-3 x)=50(x+3)-(15-x) Помогите решить

Приветствую Вас! [latex]-4(16+8x)+12(7-3 x)=50(x+3)-(15-x) [/latex] [latex]12(7-3x)-4(8x+16)=-15+x+50(x+3)[/latex] [latex]84-36x-4(8x+16)=`-15+x+50(x+3)[/latex] [latex](84-64)+(-36x-32x)=-15+x+50(x+3)[/latex] [latex]-68x+(84-64)=-15+x+50(x+3)[/latex] [latex]20-68x=-15+x+50(x+3)[/latex] [latex]20-68x=51x+135[/latex] [latex]20-119x=135[/latex] [latex]-119x=115[/latex] [latex]x= \frac{-115}{119} [/latex] Ответ:[latex]x= \frac{-115}{119} [/latex]