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Mathematics

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We can simplify the first equation by factoring out a 2:

Now we have the system:

We can simplify the second equation by factoring out a 5:

Now we have the system:

We can solve the second equation for :

Now we can substitute this expression for into the first equation and solve for :

This equation is true for all values of because we have an identity. Therefore, there are infinitely many solutions to the system. We can write the solution set as , where can be any real number.

Now we have the system:

We can simplify the second equation by factoring out a 5:

Now we have the system:

We can solve the second equation for

Now we can substitute this expression for

This equation is true for all values of