- How do I sovle by substitution 4x+5y=4 and -7x +y= -7?

Discover Questions

In this phase diagram for water, indicate the direction that the solid-liquid and liquid-gas coexistence lines will move after the addition? The boiling point of an aqueous solution is 101.62 °C. What is the freezing point? Constants can be found here.? Placebo pills? Solving the system: 4x + 7y = 7 x + 3y = – 2? Find the two x-intercepts of the function f and show that f (x)=0 at some point between the two x-intercepts g(t)=t^2/t^2+3, [-1,1] ?