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 were the 20th-century independence movements in Vietnam and Algeria similar? A. Both established communist states based on the philosophy of Maoism B. Both
Can someone please help me with 1,2 please
Please answer quickly :D
REUPLOAD: The figure below shows the dimension of an arrow pointed on the pavement of a parking lot. The entire length of the arrow is 8.5 feet. What is the are
How did the Bible writers know about so many things before scientists?
The Zionest movement goal was...
why does it matter to be free
what is mechanical engineer​
What is the y- intercept
13,5,11,8,14,15 please find the median!!