+0  
 
0
533
1
avatar

How do you do this problem? -1/2x+1=-x+8

 Nov 3, 2015
 #1
avatar
0

Solve for x:
1-x/2 = 8-x

Put each term in 1-x/2 over the common denominator 2: 1-x/2  =  2/2-(x)/2:
2/2-x/2 = 8-x

2/2-x/2 = (2-x)/2:
(2-x)/2 = 8-x

Multiply both sides by 2:
(2 (2-x))/2 = 2 (8-x)

(2 (2-x))/2 = 2/2×(2-x) = 2-x:
Answer: | 
| 2-x = 2 (8-x)         x=14

 Nov 3, 2015

1 Online Users