i want 4.3,4.4 please i want …

1. Draw the graph of each of the following linear equations in two variables:

(i) x+y = 4

Solution:

To draw a graph of linear equations in two variables, let us find out the points to plot.

To find out the points, we have to find the values which x and y can have, satisfying the equation.

Here,

x+y = 4

Substituting the values for x,

When x = 0,

x+y = 4

0+y = 4

y = 4

When x = 4,

x+y = 4

4+y = 4

y = 4–4

y = 0

The points to be plotted are (0, 4) and (4,0)

For for click on the given link:

EX 4.3: 

<a href="https://mycbseguide.com/blog/ncert-solutions-for-class-9-maths-exercise-4-3/" ping="/url?sa=t&source=web&rct=j&url=https://mycbseguide.com/blog/ncert-solutions-for-class-9-maths-exercise-4-3/&ved=2ahUKEwjYoO3KiqztAhXEyDgGHRSWDbcQFjAAegQIBRAC" rel="noopener" target="_blank">NCERT Solutions for Class 9 Maths Exercise 4.3 ...</a>

Ex 4.4 : 

<a href="https://mycbseguide.com/blog/ncert-solutions-for-class-9-maths-exercise-4-4/" ping="/url?sa=t&source=web&rct=j&url=https://mycbseguide.com/blog/ncert-solutions-for-class-9-maths-exercise-4-4/&ved=2ahUKEwjgrJHwiqztAhW-yDgGHcABA_cQFjAAegQIAxAC" rel="noopener" target="_blank">NCERT Solutions for Class 9 Maths Exercise 4.4 ...</a>