X=2
its x=2 because you have to divide -20x by -40 so the two negatives cancel out each other and then you get 2.
we have
<u>The system of equations</u>
-------> equation 
-------> equation 
Substitute equation
in equation 

subtract
both sides


Divide by
both sides

the solution is the point 
therefore
the answer is
the solution to the system of equations is the point 
Answer:
it will be 35720 . I hope my answer is correct
Answer:
Step-by-step explanation:
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Answer:
{x,y}={5,-3}
Step-by-step explanation: