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Elohimsdaughter
Elohimsdaughter Elohimsdaughter
  • 30-12-2014
  • Mathematics
Answered

How many solutions does the equation have?

3(4x-3)-7x=5x-9



A.

one solution


B.

infinite solutions


C.

no solution

Verified Answer :

konrad509
konrad509 konrad509
  • 30-12-2014

\(3(4x-3)-7x=5x-9\\ 12x-9-7x=5x-9\\ 5x-9=5x-9\\ x\in \mathbb{R} \Rightarrow B\)

Answer Link
Anonymous Anonymous
  • 30-12-2014

\(3(4x-3)-7x=5x-9\\\\3(4x)+3(-3)-7x=5x-9\\\\12x-9-7x=5x-9\\\\\boxed{5x-9=5x-9}\\\\conclusion:\boxed{B.\ infinite\ solutions}\)

Answer Link

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