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How many solutions does this equation have?\newline7j=4j+3j7j = 4j + 3j\newlineChoices:\newline(A)no solution\newline(B)one solution\newline(C)infinitely many solutions

Full solution

Q. How many solutions does this equation have?\newline7j=4j+3j7j = 4j + 3j\newlineChoices:\newline(A)no solution\newline(B)one solution\newline(C)infinitely many solutions
  1. Combine like terms: Simplify the right side of the equation by combining like terms.\newline7j=4j+3j7j = 4j + 3j\newline=(4+3)j= (4 + 3)j\newline=7j= 7j
  2. Determine number of solutions: Determine how many solutions the equation has.\newlineSince we have 7j7j on both sides of the equation, the equation 7j=7j7j = 7j is true for every value of jj.\newlineTherefore, the equation has an infinite number of solutions.

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