cartiniSta2chma cartiniSta2chma
  • 21-12-2016
  • Mathematics
contestada

solving equations combining like terms (step by step)
1. 7m-5-13m=25
2. 12.25=0.5q+3.75
3. 2(2x-4)+x=7
4. 8=3(3x+8)-x
5. 3t-18t+4=-26
6. 13.75=0.25b+0.50

Respuesta :

victoriavnh
victoriavnh victoriavnh
  • 21-12-2016
1.
 7m-5-13m = 25
-5-6m = 25
-6m = -5

2.
12.25 = 0.5q+3.75
8.5 = 0.5q
17 = q

3.
2(2x-4)+x = 7
4x-8 = 7
5x-8 = 7
5x = 15

4.
8 = 3(3x=8)-x
8 = 9x+24-x
8 = 8x+24
-16 = 8x
-2 = x

5. 
3t-18t+4 = -26
-15t+4 = -26
-15t = -30
t = 2

6.
13.75 = 0.25b+0.5
13.75 = 0.25b
53 = b
Answer Link

Otras preguntas

how do you graph 3.75 on a number line in between 3 and 4
Put these in order of size, smallest first 0.1. 30% 1/5
The product of three integers is –3. Determine all of the possible values for the three factors
You want to place a towel bar that is 8 1⁄4 inches long in the center of a door that is 26 1⁄3 inches long. How far should you place the bar from each edge of t
What did Emperor Constantine's Edict of Milan grant? a. religious freedom b. Roman citizenship c. universal healthcare d. emancipation of Roman slaves
The military build-ups of Hitler and Mussolini gave them the advantage over nearby smaller countries. true or false
Homeostasis can occur at the cellular level or the system level. a. True b. False
Which power does the Constitution give to the vice president? a. to preside over the Senate b. to head the Department of State c. to enforce tax laws d. to deve
how is kinetic energy of an object determined?
The perimeter of a square is proportional to the length of its sides. This relationship can be expressed by the equation p=4s. What is the constant of proportio