Question

SOLVE THE FOLLOWING:-
3x+8y = 16
x+9y = 82
SOLVE IT!!!

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

/| 2*x+y-8 = 0| x+3*y-14 = 0

We try to solve the equation: 2*x+y-8 = 0

2*x+y-8 = 0 // - 2*x-8

y = -(2*x-8)

y = 8-(2*x)

We insert the solution into one of the initial equations of our system of equations

We get a system of equations:

/| 3*(8-(2*x))+x-14 = 0| y = 8-(2*x)

3*(8-2*x)+x-14 = 0

24-5*x-14 = 0

10-5*x = 0

10-5*x = 0 // - 10

-5*x = -10 // : -5

x = -10/(-5)

x = 2

We insert the solution into one of the initial equations of our system of equations

For y = 8-(2*x):  

y = 8-(2*2)

y = 8-4

y = 4

We get a system of equations:

/| y = 4| x = 2