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Mathematics 7 Online
OpenStudy (anonymous):

Is the inequality always, sometimes, or never true? 4x - 8 < 4(x - 4)

jimthompson5910 (jim_thompson5910):

Solve for x to get 4x - 8 < 4(x - 4) 4x - 8 < 4*x + 4*(-4) 4x - 8 < 4x - 16 4x - 8 - 4x < 4x - 16 - 4x 0x - 8 < 0x - 16 -8 < -16 Since this last inequality is always false, this means that the original inequality is never true.

OpenStudy (anonymous):

Awesome! thank you for explaining

jimthompson5910 (jim_thompson5910):

sure thing

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