+0  
 
0
249
1
avatar

2(1.5d-2+(0.7d+1))=2(4-1.3d+(2.5+d))

 

please help 

Guest Apr 5, 2017
 #1
avatar+7266 
+2

2(1.5d - 2 + (0.7d + 1)) = 2(4 - 1.3d + (2.5 + d))

 

2(1.5d - 2 + 0.7d + 1) = 2(4 - 1.3d + 2.5 + d)

 

Combine like terms.

2(2.2d - 1) = 2(6.5 - 0.3d)

 

Divide both sides by 2.

2.2d - 1 = 6.5 - 0.3d

 

2.2d = 7.5 - 0.3d

 

2.5d = 7.5

 

d = 7.5/2.5

 

d = 3

hectictar  Apr 5, 2017

21 Online Users

avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.