JAMB - Mathematics (2007 - No. 19)

Solve the inequalities -3(x - 2) < -2(x + 3)

x > 12

x < 12

x > -12

x < - 12

Uitleg

-3(x-3) < -2(x+3) = -3x + 6 < -2x - 6
-3x + 2x < -6 - 6
-x < - 12
x > ^-12/_-1
x > 12

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