
при x = - 2 , y = - 5 .Examples. x+y+z=25,\:5x+3y+2z=0,\:y-z=6.Популярные задачи. Алгебра. График x-2y=5. x+2y=2x-5, x-y=3 - System of Equations Calculator - Symbolab 2*x. - умножение.If x+y=5, then x=5-y(hope u can solve for x). This means that we can use 5-y in place of x...