Question 1137333
{{{system(3=c*a^0,12=c*a^2)}}}


{{{12/3=(a^2)/1}}}


{{{4=a^2}}}

{{{a=2}}}
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{{{f=c*2^x}}}

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{{{12=c*2^2}}}

{{{c=3}}}

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{{{highlight(f=3*2^x)}}}