- What is the value of x? x+7y=-9 ; x-14y=-50
- A=1009 + 7.08t. Find an expression for time (t) in terms of a.
- For what value of n is |n-2|+6 equal to zero?
- 1/4x+1/3y=4 ; vx+9y=3 In the system of linear equations, v is a constant. If the equations are parallel, what is the value of v?
- 7x-4y=32 What is the slope of a line parallel to the line above?