If -2x - 5 = 48, what is the value of 2x + 57?
- -48
- 48
- 26
- 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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