Respuesta :

Answer:x=12


Step-by-step explanation:subtract 16 from both sides (16-16=0) (40-16=24)

2x=24 divide 2 to both sides (2/2=0) (24/2=12) hope i explained it correctly.

you always need to get x  by itself so whatever is in from of x divide that by what ever is behind the equal(=) sign.


ashleystorm2001

Answer:

x= 12

Step-by-step explanation:

work backwards to find x. you start with 40, then subtract 16. now you have 2x= 24. now you have to figure out what multiplied by 2 is 24. 24 divided by 2 is 12, there is the answer. x=12. Always check your work, solve it normally replacing x with 12.

2 x 12 + 16 =40

24 + 16 = 40

40.

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