方程 ほうてい式 しき系 けい

hōteishikikei

1. Not a system of equations.; Not an equation system.

1. Was a system of equations.

1. Equation-based; System of equations

1. System of equations; Equation system

1. Not a mathematics major.; Not in the mathematics department.

1. Not a mathematics major.; Not in the math department.

1. Was a mathematics major.; Was in the mathematics department.

1. System of equations.

1. Not a mathematics major.; Not in the mathematics department.

1. Was not a system of equations.; Wasn't a system of equations.

1. Probably a system of equations.

1. Was not a mathematics major.; Was not in the mathematics department.

1. Was not a system of equations.; Wasn't in the equation system.

1. Probably an equation system.; It will likely be a system of equations.

1. Was not a mathematics major.; Was not in the mathematics department.

1. If the equation system…; When the equation system…

1. If the equation system; When the equation system

1. If the equation system; When the equation system