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(3x+8)+x>3x-12 can someone tell me how to solve it because already know the answer which is x>-20

User Dasdom
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1 Answer

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(3x + 8) + x > 3x - 12
3x + x + 8 > 3x - 12
4x + 8 > 3x - 12
- 3x - 3x
x + 8 > -12
- 8 - 8
x > -20

Solution Set: (-∞, -20)
User Jens Grabarske
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