exam Maths Puzzle Numerical Ability

Solving an absolute value equation. |5x| = 13

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exam Other Question

From a math worksheet:
An investment advisor invested $25,000 into two simple interest accounts. One investment earned 12.5% annual simple interest; the other investment earned 1 can you help me solve this problem

Solve and write the answer in set notation
/3x-6/>3

Here is my answer
3x-6>3 3x-6>-3
3x-6+6>3+6 3x-6+6>-3+6
3x>9 3x>3
3x/3>9/3=x>3 3x/3>3/3=x>1

{x/x>3}