Sub:
 [[연립일차방정식,system_of_linear_equations]]
 [[연립미분방정식,system_of_differential_equations]]

[[행렬,matrix]]과 매우 밀접.
 특히 [[첨가행렬,augmented_matrix]]과?

Compare later: [[연립부등식]]

AKA '''equation system, simultaneous equations'''

https://mathworld.wolfram.com/SystemofEquations.html (short)
[[Libre:연립방정식]]

Up: [[방정식,equation]]