5m Zen
X 3y 7 2x
X 3y 7 2x pictures 5
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X 3y
X 3y 7 2x
x 3y u003d- 7 2x 3y 4
x 3y u003d- 7 2x 6y 14
x 3y 7 2x y u003d- 1 by simultaneous equations
x 3y 7 2x 3y 12
x 3y 7 2x 4y 24
x 3y 7 2x y 7 solution
x 3y 7 2x 6y 12
x 3y 7 2x 3y 11
x 3y 7 2x y 7
x 3y 7 2x y u003d- 1 by graphical method
