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