Recent content by tintin1234

it says "use the inverses found in Problems 29-38 to solve each system of equations"(not sure what it means by that) pg742,#47) 2x+y= -3 ax+ay=-a a≠0 <----a≠0 was already in the book next to the equation the book says the answer is x=-2,y=1 -what i have so far- [2 1] [-3] --> (2 x...