exam Maths Puzzle Numerical Ability

solve the equation:
|3x+2|=7
thanks a bunch!

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exam Other Question

Instructions: Subtract. Perform the indicated operations.

What is the solution for 7x^4-2x^3-5x^2+4x-1
-3x^4+2x^3-5x^2+7x-2 three times the square of a certain positive number exceeds the number six times by nine