exam Maths Puzzle Numerical Ability

2/3a - 5 + 8/9a = -19 PLEASE HELP ME!

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WORD PROBLEM BUSINESS

A ELECTRONICS STORE WANTS TO ORDER AT LEAST 3 TIMES AS MANY DVD PLAYERS AS VHS PLAYERS. WRITE AN INEQUALITY EXPRESSING THIS RELATIONSHIP.

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JMS 2
8t +20t-12=0 That is supposed to read 8t squared. I need to solve the equation(i.e. x=4 or 6)