60 баллов даю,СОС помогите пжлст!!!!!!!((((((((
6x(4)-5x(2)-1=0
{5x=y+50 {-3.4x+2.6y=14 Решите систему уравнений
{12y-1<3-2y
{5y<2-11y
{8x+1>5x-1
{9x+9<8x+8
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