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You can only solve an equation with more than one variable if you have a minimum number of equations per variable.
In you need to solve for two variables, you will need a system equation composed of minimum two equations.
In you need to solve for two variables, you will need a system equation composed of minimum two equations.
Gregoria0426:
But a literal equation involves 2 or 3 letters
the principle is exactly the same as other equation... you just treat letters as numbers... for example a+x=b, solution x=b-a
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