exam Maths Puzzle Numerical Ability

"How do you solve 4x-9=7x+12"

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exam Other Question

can you please help me solve this: Factor each expression. If the expression is in simplest form, please note that it cannot be factored.
36p^2q^2 - 6pq
Draw the graph of a function that has the following properties: domain: all real numbers; range: all real numbers; a local maximum of -2 is at -1; a local minimum of -6 is at 2.