exam Maths Puzzle Numerical Ability

I need an equation and solution for this word problem(please show your work): four times the sum of three consecutive integers is 180.

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exam Other Question

2^x = 8
I know the answer is 3, but how do you solve for x?
x = ?
the widthof a piece is 4 metres less than is length. the air in the room is 165 m^2. find the length and breadth of this piece