Let, x+3x-3=a We get, 2a2-7a+6=0 ⇒ 2a2-4a-3a+6=0 ⇒2aa-2-3a-2=0⇒a-22a-3=0 ∴a=2 or, 32So, either x+3x-3=2 ⇒2x-6=x+3∴x=9 or, x+3x-3=32⇒3x-9=2x+6∴x=15
So, the value of x=9 or 15 ans.
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