SOLUTION: What is the value of z in the solution to this system of linear equations?
7y – 11z = 6
6y + 2z = 28
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Question 779809: What is the value of z in the solution to this system of linear equations?
7y – 11z = 6
6y + 2z = 28
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
7y – 11z = 6
6y + 2z = 28
.
2z=28-6y
z=14-3y
.
7y-11(14-3y)=6
7y-154+33y=6
40y=160
y=4
.
z=14-3*4
=14-12
=2
.
Ed
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