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a.  -6x + 220 = -566

b.  0,8m - 3,2 = 8 - 4,8m

c.  151u + 411= 203 - 109u

d.  -4(b + 2) + b = -4(1+ b) 

 

Thanks in advance!

 Dec 12, 2017

Best Answer 

 #1
avatar+9466 
+5

-6x + 220 = -566

-6x = -786

x = 131

 

0.8m - 3.2 = 8 - 4.8m

5.6m = 11.2

m = 2

 

151u + 411 = 203 - 109u

260u = -208

u = -0.8

 

-4(b+2) + b = -4(1+b)

-4b - 8 + b = -4 - 4b

-8 + b = -4

b = 4

 Dec 12, 2017
 #1
avatar+9466 
+5
Best Answer

-6x + 220 = -566

-6x = -786

x = 131

 

0.8m - 3.2 = 8 - 4.8m

5.6m = 11.2

m = 2

 

151u + 411 = 203 - 109u

260u = -208

u = -0.8

 

-4(b+2) + b = -4(1+b)

-4b - 8 + b = -4 - 4b

-8 + b = -4

b = 4

MaxWong Dec 12, 2017

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