The method of solving by substitution works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, substituting for the chosen variable and solving for the other. Then you back-solve for the first variable.
Rheumatoid arthritis, an inflammation of the joints, is a disabling disease that can affect the appearance and the function of the hands and other parts of the body.It often deforms finger joints and forces the fingers into a bent position that hampers movement.The exact cause of rheumatoid arthritis is not known.heumatoid arthritis, an inflammation of the joints, is a disabling disease that can affect the appearance and the function of the hands and other parts of the body.
see patient information weight loss treatments beyond the basics people with rheumatoid arthritis have a higher risk of developing coronary artery disease high blood cholesterol is one risk factor for coronary disease that can respond to changes in dietheumatoid arthritis overview rheumatoid arthritis ra is a chronic inflammatory condition affecting the joints the condition can also affect other tissues throughout the body the specific causes of rheumatoid arthritis are unknown though smoking increases the risk of disease and the severity of ra