exam Maths Puzzle Numerical Ability

Can someone help me solve this problem?

How do I write up this as an equation?

What is the product of three times the difference of a number subtracted from 7 that equals the nmber plus five?

Thanks,
Lyn

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exam Other Question

Any help with this word problem would be appreciated. thank you in advance.

A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the pr I am not able to figure these out.

1.) 2logm^a-3logm^b2

2.) ln2x+ln3x

3.)logx+log(3x-13)=1