If your grade is a 93% and you got 20 points taken off your grade, what will your new grade be?
1 answer:
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Given,
The linear pair of the equation is,
Required
The solution of the linear equation.
Taking the equation first as,
Substituting the value of y in second equation then,
Substituting the value of x in first equation then,
Hence, the solution of the system is (1, -10).