Solve the system of equations by elimination. x-4y=-31 -7x+6y=41

To show that polygon abcde is congruent to polygon fghij, a must be used to make the two polygons coincide. a sequence of two transformations that can be used to show that polygon abcde is congruent to polygon fghij is .

For which rational expression is -2 an excluded value of x?

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.