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2014-03-18T18:59:05+02:00
Notam 3x+7=t⇒3x=t-7⇒x=t-7/3
g(t)=-6(t-7/3)-5
g(t)=-2(t-7)-5
g(t)=-2t+14-5
g(t)=-2t+9
g(x)=-2x+9