A system of linear equations can only have: no solution, one solution, or infinitely many solutions.
Yes, a system can, in fact, have exactly two solutions.
A system of equations may have any amount of solutions. If the equations are linear, the system will have either no solution, one solution, or an infinite number of solutions. If the equations are linear AND there are as many equations as variables, AND they are independent, the system will have exactly one solution.
No. At least, it can't have EXACTLY 3 solutions, if that's what you mean. A system of two linear equations in two variables can have:No solutionOne solutionAn infinite number of solutions
As there is no system of equations shown, there are zero solutions.
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It means that there is no set of values for the variables such that all the linear equations are simultaneously true.
They are a set of equations in two unknowns such that any term containing can contain at most one of the unknowns to the power 1. A system of linear equations can have no solutions, one solution or an infinite number of solutions.
A set of equations is inconsistent, if its solution set is empty.