Chapters
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Solve the Systems of Equations by the Substitution Method
Exercise 1
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Exercise 6
Solution of exercise 1
Solution of exercise 2
Plugging the value of x in the first equation:
Solution of exercise 3
Plugging the value fo x in the first equation:
Plugging the value of y in the second equation:
Solution of exercise 4
Plugging the first equation in the second equation:
Solution of exercise 5
Plugging the value of x in the second equation:
Solution of exercise 6
Plugging the value of x in the second equation: