Question

solve the equation (not using graphical method) 4x-5y+16=0​

Answer 1

Answer:

we have many solutions

if x=0,y=16/5

if y=0,x=-4

if x=1,y=4

and so on....

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Answer 2

Answer:

Step-by-step explanation:

4x - 5y + 16 = 0 ⇔ y = $\frac{4}{5}x + \frac{16}{5}$

The given linear equation has infinitely many solutions. Chose any value of "x" (independent variable) and find corresponding value of "y" (dependent variable) by using the rule y = $\frac{4}{5}x + \frac{16}{5}$

Some solutions:

If x = - 9 , then y = $\frac{4}{5}(-9) +\frac{16}{5}=-4$ , (- 9, - 4)

If x = - 4 , then y = $\frac{4}{5}(-4) + \frac{16}{5} = 0$ , ( - 4, 0)

If x = 0 , then y = $\frac{4}{5}*0 + \frac{16}{5} = 3.2$ , (0, 3.2)

If x = 6 , then y = $\frac{4}{5}*6 + \frac{16}{5}=8$ , (6, 8)