[RBISIR]POL EQUATION
[RBISIR]EQ.1 (e.g. 2x + 3y = 7):
[RBISIR]EQ.2 (e.g. x - y = 4):
[RBISIR] METHODS:
[RBISIR]METHODS
SUBSTITUTION[RBISIR]
ELIMINATION[RBISIR]
GRAPHICAL(DEMO)[RBISIR]
OK[RBISIR]
RE[RBISIR]
D.HIST[RBISIR]
[RBISIR] DETAILS
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