Substitution into expressions, formulae and equations, with and without calculator | Teaching Resources
![My latest attempt after a variety of tries with U substitution, probably missing something obvious but the calculator also got something different so I'm beyond confused : r/calculus My latest attempt after a variety of tries with U substitution, probably missing something obvious but the calculator also got something different so I'm beyond confused : r/calculus](https://preview.redd.it/aokbfekhkeb81.jpg?auto=webp&s=5a5cfe0ca1af56ec47de82e9f43a1f935c95f5ea)
My latest attempt after a variety of tries with U substitution, probably missing something obvious but the calculator also got something different so I'm beyond confused : r/calculus
![SOLVED: 15. Solve the systems equations for Ex Fx and Ez: Use the elimination method or the substitution method. Show steps (5 points) Es + 2F, Fz = 4 2Fx+ E + SOLVED: 15. Solve the systems equations for Ex Fx and Ez: Use the elimination method or the substitution method. Show steps (5 points) Es + 2F, Fz = 4 2Fx+ E +](https://cdn.numerade.com/ask_images/6f0eaa08974546deab49739171dbc660.jpg)