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

The temperature on a summer afternoon is 85 degrees Fahrenheit. define a variable and write an expression to find the temperature after it changes. then evalust

what is the selling price of a 12,543 boat if a 758 discount ?

In "self-reliance," emerson begins by telling of a poem written by _____.

PLEASE HELP!!!! Our tragedy today is a general and universal physical fear so long sustained by now that we can even bear it. There are no longer problems of t

Which of the following would BEST classify an essay about why people should recycle? A. literary analysis B. informational C. research D. work-related Cant qui

three times the sum of a number and -5 equals -6 times the sum of the number and -2. Find the number.

what did churchill believe should happen before palestine gained independence

Just #30 A rock contains 0.102 mg of lead-206 for each milligram of uranium-238. The half-life for decay of uranium-238 to lead-206 is 4.5 x 10^9 yr. The rock w

The Great Pyramid outside Cairo, Egypt, has a square base measuring 756 feet on a side and a height of 480 feet. a. What is the volume of the Great Pyramid, in

(Choose the word or phrase that best completes the sentence.) 1. Para competir en un campeonato, es bueno (estar empatado / mantenerse en forma). 2. Es import