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how do you graph 5x + 3y =15?

Sagot :

Explanation:

The equation 5x + 3y = 15 is a straight line. So, to graph the equation we need to find two points on the line.

So, If we replace x by 0, we get:

5*0 + 3y = 15

0 + 3y = 15

3y = 15

y = 15/3

y = 5

And, If we replace y by 0, we get:

5x + 3y = 15

5x + 3*0 = 15

5x + 0 = 15

5x = 15

x = 15/5

x = 3

So, we have two points (0, 5) and (3, 0). Then the graph of the function is:

View image IdaI463046