Solve the system, or show that it has no solution. (If there is no solution, ent

label Algebra
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Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general solution in terms of x, where x is any real number.)

 
x + y = 3
3x − 4y = −16
(xy) = 
  
Apr 20th, 2015

- x + y = 3

3x - 4y = - 16

Now

- 3x + 3y = 9

3x - 4y = - 16

Adding them

- y = - 7

y = 7

For x

- x + 7 = 3

- x = 3 - 7

- x = - 4

x = 4

Hence {x,y} = {4,7}

Apr 20th, 2015

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