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Lines: solving equations
Move points A, B, C or D.

Please enable Java for an interactive construction (with Cinderella).
Use this display to solve the simultaneous equations:
y = x
y = -x+7
solution x= y=
y = 2x-8
y = -0.5x+7
solution x= y=

a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
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