Question 1143520
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<pre>
Take the second equation  y = ax + 5  and substitute x= 6,  y= -1  into it.


You will get


    -1 = a*6 + 5.


It implies


    -1 - 5 = 6a

    -6     = 6a

     a     = {{{-6/6}}} = -1.      <U>ANSWER</U>
</pre>

Solved.


The last step is to check if the solution is correct.


Do it on your own by substituting  x= 6, y= -1 into each of the two original equations.