SOLUTION: To solve a system of three linear equations in three variables by the addition method. Solve by the addition method:
2y+z=7
2x-z=3
x-y=3
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Question 198303This question is from textbook Intemediate Algebra An Applied Approach
: To solve a system of three linear equations in three variables by the addition method. Solve by the addition method:
2y+z=7
2x-z=3
x-y=3
This question is from textbook Intemediate Algebra An Applied Approach
Answer by arallie(162) (Show Source): You can put this solution on YOUR website!
Add to remove "z"
Simplify and Add to remove y
Substitute
Substitute
Check
(4,1,5)
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