85.3k views
4 votes
(4x+5y=0) (8x-15y=5) stimutanious equations

2 Answers

5 votes

Answer:

The solution is x = 0.25, y = -0.20.

or you can write it as (0.25, -0.20).

Explanation:

4x + 5y = 0

8x - 15y = 5

Multiply the first equation by 3:

12x + 15y = 0 Now add this to the second equation:

20x = 5

x = 0.25.

Now substitute for x in equation 1:

4(0.25) + 5y = 0

1 + 5y = 0

5y = -1

y = -0.20.

User Bhupesh
by
5.4k points
5 votes

Answer:

Point form : (1/4,-1/5)

Equation form : x=1/4,y=-1/5

Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Hope this helps you out! ☺

User Pronngo
by
5.3k points