reggie was solving a system of equations after manipulating them he desides to add the two equations shown below together to eliminate the variable x what property justifies this manipulation 6x+5y=17 -6x+2y=4

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

What are the solutions of the following system? y=-2x^2 y=x-2