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It is designed to replace bulky and costly handheld graphing calculators and works on virtually any Android phone or tablet ... Oct 30, 2019 · If the equation looks like this: 10-5(9n-9), then distribute the 5 to the equation inside the parenthesis it will look like this 10-45n-45. You would solve for N like a regular equation and the answer you will later get it:-35-45n. Solve Systems and Equations Solve 3 by 3 Systems of Equations Using Inverse Matrix Solve Systems of Equations: Solves 2 by 2 and 3 by 3 systems of linear equations. Solve Quadratic Equations: Solves quadratic equations. The solutions may be real or complex. Linear Equations Solver Calculator: Solves linear equations. CalcuNation is a website dedicated to being the best resource for online calculators on the internet. Created to act as a math tool for both students and professionals, CalcuNation seeks the interaction of the user to create new calculators that help with everyday math problems. 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