He following equation.
2x – 12 = 5
What is the answer

or

Step-by-step explanation:

Move all terms not containing  x  to the right side of the equation.

2x = 17

Divide each term by  2  and simplify.

x = 17/2

x = 8.5

good luck, hope this helps :)

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540