gina0yvsalinner gina0yvsalinner

04-01-2017
Mathematics

contestada

The difference when 7 less than a number is subtracted from twice the number is 12. what is the number?

Respuesta :

04-01-2017

It is 5......2x-(x-7)=12 proof: 2*5-(5-7)=12
2x-x+7=12 10-(-2)=12
x=12-7 10+2=12
x=5 12=12

Answer Link

Otras preguntas

In the United States, the most widespread cause of species extinction is which of the following? overhunting habitat loss poisoning overfishing

Ali multiplies 3 numbers using the expressions a×(b×c)×c. What property of multiplication does Ali use?

What is the median of the following set of numbers? 33, 30, 29, 28, 27, 34, 31

How do leaves in shaded areas differ for leaves in sunlight areas of the same plant?

Help me with 2,3,4,5 see picture below ask questions if you need to know something.

According to the essay, what is the lesson behind Chekhov's gun?

Use related multiplication fact to find the quotient. 49 divided by 7

Ms Martina filled her trucks gas tank with 28.7 gallons of gas If she drove 100 miles on the same tank of gas how much gas did she use per mile

what is the relationship between temperature and thermal energy?

Where does the bald eagle get energy? Check all that apply. sea ducks large piscivorous fish tundra swan