Waht is the best answer of 4x-7y=-10, Y=x-4
, 4x - 7y = -10, y = x - 4, Substitute the value of y to the first equation, 4x - 7(x - 4) = -10, 4x - 7x + 28 = -10, -3x = -10 - 28, -3x = -38, -3/-3x = -38/-3, then substitute the value of x, y = x - 4, y = (38/3) - 4, y = (38 - 12)/3,