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Solve the inequality (-2x - 12)/2 > 7(3 - 4x).

 Apr 14, 2022

Best Answer 

 #1
avatar+580 
+1

(2x12)2>7(34x)

 

Multiplybothsidesby2

 

2x1222>7(34x)2

 

2x12>14(34x)

 

2x12>4256x

 

Add12tobothsides

 

2x12+12>4256x+12

 

Simplify

 

2x>56x+54

 

Add56xtobothsides

 

2x+56x>56x+54+56x

 

Simplify

 

54x>54

 

Dividebothsidesby54

 

54x54>5454

 

Simplify

 

x>1

 

-Vinculum

smileysmileysmiley

 Apr 14, 2022
 #1
avatar+580 
+1
Best Answer

(2x12)2>7(34x)

 

Multiplybothsidesby2

 

2x1222>7(34x)2

 

2x12>14(34x)

 

2x12>4256x

 

Add12tobothsides

 

2x12+12>4256x+12

 

Simplify

 

2x>56x+54

 

Add56xtobothsides

 

2x+56x>56x+54+56x

 

Simplify

 

54x>54

 

Dividebothsidesby54

 

54x54>5454

 

Simplify

 

x>1

 

-Vinculum

smileysmileysmiley

Vinculum Apr 14, 2022
 #2
avatar+64 
-2

I believe that right

 Apr 14, 2022

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