cherylmurdock12 cherylmurdock12

11-06-2018
Mathematics

contestada

Solve 7x + 1 < 4(x - 2).

{x | x < 3}

{x | x > 3}

{x | x > -3}

{x | x < -3} (pls help i suck at math)

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altavistard altavistard

11-06-2018

Please leave out "suck at math" comments; such a comment helps no one, least of all you.

7x + 1 < 4(x - 2)
Distribute that multiplier 4: 7x + 1 < 4x - 8
Subtr. 4x from both sides: 3x + 1 < -8
Subtr. 1 from both sides: 3x < - 9
Divide both sides by 3: x < -3 (answer)

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