Can someone help me with this?

2009-03-16 12:21 pm

Solve the inequality. Write the solution set using interval notation and graph it.

18x + 42 > 6(2x + 11)

回答 (2)

2009-03-16 12:27 pm

✔ 最佳答案

18x + 42 > 12x + 66
6x > 24
x > 4

{ x : x > 4 , x Є R }

Graph is area to RIGHT of vertical line that passes thro` (4,0)

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2009-03-16 7:39 pm

18x + 42 > 6(2x + 11)
18x + 42 > 6*2x + 6*11
18x + 42 > 12x + 66
18x - 12x > -42 + 66
6x > 24
x > 24/6
x > 4

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