exam Maths Puzzle Numerical Ability

Could someone please help me with this problem: 7x = 3
My book says solve the exponential equation algebraically.Then check using a graphing calculator.
Thank you in advance for all your help. Elle J

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exam Other Question

Please help me to answer this question.

True or False. Explain your answer.
The inequality x/x-3 > 2 is equivalent to x > 2x - 6.

Thank you for your help. How many license plates can be made of the form DDDLLLL, where D is a digit 0,......9 and L is a letter A,....z? What if symbols can be used only once each?

A quiz with 4 mult