PORFAVOR... ESTA ES LA TERCERA VEZ QUE PUBLICO LA MISMA PREGUNTA, AYÚDAME!!
Resolver las siguientes ecuaciones por el sistema de ecuaciones del método SUSTITUCIÓN:

A) 2x-3y=-6

x + y = 7

B) 8x+5y=-28

3x+2y=-11

Resolver las siguientes ecuaciones por el sistema de ecuaciones del método SUMA Y RESTA:

A) 5x+6y=20

4x-3y=-23

answer:

given the linear inequality :

add 2y to both sides we get;

simplify:

add 12 to both sides of an equation;

simplify:

divide both sides by 2 we get;

or

the related equation for the inequality equation [1] is;

y-intercepts defined as the graph crosses the y-axis.

substitute x =0 in [2] to solve for y;

y = 6

x-intercepts defined as the graph crosses the x-axis.

substitute value y = 0 to solve for x;

subtract 6 from both sides we get

multiply both sides by 2 we get;

or

x = -12

now, plot these point (0, 6) and (-12, 0) on graph as shown below and shade the graph below the solid line.