Solve the simultaneous equations: 2x-3y = 16 x+2y= -6
x=2 y=-4
NA
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All answers ▸Solve the simultaneous equations: x + 3y = 26 and x - 3y = -22
Solve the following equation : x^2 + 2x +1 = 0
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1ii) sketch y=x^2-4x-21