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

Find the value of each variable and find the mesure of the labled angle. Question:is that the same thing or are they different things?

Brandy wants to buy a camera for $315. Suppose she saves $15 a week. How many weeks will it take to afford the camera? Write your answer as a equation with x as

The box plots display data collected when two teachers asked their classes how many pencils they lose in a school year. A box plot uses a number line from 5 to

A chemist decides that she wants an increased amount of product from an endothermic reaction. Which of the following methods would guarantee that she would achi

A bag contains 10 green,8 blue, and 2 white balls. Naomi seclets 2 balls from the bag at random, one at a time, without replacing them. What is the probability

If you use the eight digits 1,2,3,4,5,6,7 and 9 each once and ONLY once to form 4 two-digit prime numbers. What will be the sum of the four prime numbers you cr

Please help Solve for y. 12 4 y € = 1/2 y y = [?]√ [ Enter answer in simplest form. Enter

100 points!!!!!!!!!!!!!!!!!!! The box plot shows the number of jumping jacks completed in a workout class by the class members. A box plot uses a number line fr

- Stonehenge, a circle of large carved stones in England, was built more than 1,000 years ago. The circle of stones has a diameter of 108 feet. What is the circ

A water tower 30 m tall is located at the top of a hill. From a distance of D = 120 m down the hill it is observed that the angle formed between the top and bas