exam Maths Puzzle Numerical Ability

How do you express this algebraically

The difference of seven and three times a number


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exam Other Question

4/5x=60

m/7=a

6/n=13/5
On January 10th, Park & Jason, Inc. took out a 3-month , 8% note for $3,000. On February 24th, they paid $1,000 towards the debt. How much did they owe on April 10th when the