BTSJoonie BTSJoonie

03-11-2017
Mathematics

contestada

2x+8=7x-12 || -m/4+5=2 || 3x-8=-17 ||

Respuesta :

03-11-2017

2x+8=7x-12 we put the x in a side and the number in the other side
5x = 20
x= 20/5 = 4

-m/4+5=2
common denominator
-m /4 + 20/4 = 2/4
-m +20 = 2

m = 20-2 =18

3x-8=-17

3x = -17 +8

3x = -9

x= -9/3 = -3

Answer Link

Otras preguntas

Kite ABCD (a quadrilateral with two pairs of adjacent equal sides) has coordinates A\(0,7), B (1,0),\ C (12,-2), and D (7,8). What is the area of ABCD, given th

Between 1520 and 1683, the population of the Ottoman Empire________by about______people.

Imagine math help, what's the answer to the question?

A puck on the ice travels 20.0 m [25° W of N], gets deflected, and travels 30.0 m [35° N of W]. Determine where the puck will end up with respect to its startin

Based on the images taken through Stella’s microscope, which cell structures could be clearly identified using a compound microscope?

Accounting practice in the United States follows the generally accepted accounting principles (GAAP) developed by the Financial Accounting Standards Board (FASB

A man wants to set up a 529 college savings account for his granddaughter. How much would he need to deposit each year into the account in order to have $50,000

A frequency table for the 30 best lifetime baseball batting averages of all time is shown to the right. These data can be graphically displayed as a histogram.

suggest three negative effects of destroying the water

Rank the following gases in order of decreasing rate of effusion. Rank from the highest to lowest effusion rate. To rank items as equivalent, overlap them. F2