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Online calculator. Solving system of linear equations by substitution.

This online calculator will help you to solve a system of linear equations online by substitution.


To solve a system of linear equations by substitution online:

Select the number of equations:

The number of equations in the system:

Fill the system of linear equations

x1 + x2 + x3 =

x1 + x2 + x3 =

x1 + x2 + x3 =




To change the signs from "+" to "-" in equation, enter negative numbers. If in your equation a some variable is absent, then in this place in the calculator, enter zero.
You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.


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Welcome to OnlineMSchool. This web site owner is mathematician Dovzhyk Mykhailo. I designed this web site and wrote all the mathematical theory, online exercises, formulas and calculators.

If you want to contact me, probably have some question write me email on suppotr@onlinemschool.com

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