keivyn0211ouwagb keivyn0211ouwagb

01-09-2019
Mathematics

contestada

If the sum of a number and seven is tripled, the result is three less than twice the number. Find the number

Respuesta :

Vividerla Vividerla

01-09-2019

Answer:

x = -24

Step-by-step explanation:

3(x + 7) = 2x - 3

3 * x = 3x

3 * 7 = 21

3x + 21 = 2x - 3

-21 -21

3x = 2x -24

-2x -2x

x = -24

Answer Link

Otras preguntas

2. ¿Cómo se dice <<¿Qué desea?>> en inglés?

The local school district has made a scale model of the campus of Engels Middle School including a proposed new building. The scale of the model is 1 inch = 3 f

Tim bought nine new baseball trading cards to add to his collection. The next day his dog ate half of his collection. there are now only forty-three cards left.

What is the main idea of this cartoon from the 1800s?*

please help Thanks! :))))))

Please answer the question in the picture

all of my faces are congruent. I have 8 verticesI am a 3D figurewhat am I?

Rae comes from Canada, and he speaks French and English. Is the comma needed for this sentence to be correct?

big test what is 4 /3 ÷12=

Hi, Guys This is Math 5th Grade I was Doing my homeWork when I did not know a question and I decided maybe 1 of you guys can help me I do not understand the que