Mathematics, 22.12.2019 17:31 TheRunningPotatoe245

If the following system of equations was written as a matrix equation in the form ax = c, and matrix a was expressed in the form: a= {a c} {b d}, find the value of a-b +c+d. 2x+8y=7 4x-2y=9 , i dont know which number would be which letters

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