Resuelva por el método de sustitución.
3x + 2y = 7 y 5x - 4y = -3

What is the value of x in the following equation? -3x-2=2x+8

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2