Simultaneous equations
Leaving Cert Maths · Algebra
Higher Level
A set of equations that must all hold at once, solved by elimination or substitution. At HL this includes three linear equations in three unknowns and mixed systems such as x + y = 5 with x² + y² = 13.
Ordinary Level
Two equations with two unknowns that must both be true at the same time. Solving them gives the one pair of values that works in both.
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