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How many solutions does this equation have?\newline3j10j=7j3j - 10j = -7j\newlineChoices:\newline(A)no solution\newline(B)one solution\newline(C)infinitely many solutions

Full solution

Q. How many solutions does this equation have?\newline3j10j=7j3j - 10j = -7j\newlineChoices:\newline(A)no solution\newline(B)one solution\newline(C)infinitely many solutions
  1. Combine like terms: Simplify 3j10j3j − 10j by combining like terms.\newline3j10j3j − 10j\newline= (310)j(3−10)j\newline= 7j−7j
  2. Compare simplified expressions: Compare the simplified left side with the right side. \newline7j=7j-7j = -7j\newlineThis statement is true for every value of jj.

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