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If -2x - 5 = 48, what is the value of 2x + 57?
  1. -48
  2. 48
  3. 26
  4. 4
Explanation

Step 1: Solve for x  

-2x - 5 = 48  

Add 5: -2x = 53  

Divide by -2: x = -26.5


Now find: 2x + 57  

= 2(-26.5) + 57  

= -53 + 57  

= 4


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