Siera has 11.5 yards of yarn. she uses a certain amount for a project, leaving 5.25 yards of yarn. The equation 11.5 - x = 5.25
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Considering the given system of equations, it is found that:
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the system is:
-8x+y=-6
3x-2y=-1
In matrix form, it is given by:
To find the matrix |Ay|, we replace the y coefficients of 1 and -2 by the results of -6 and -1, hence:
More can be learned about a system of equations at brainly.com/question/24342899