Thread: Inequalities

3 (x-1) > 4

How do I address this problem with parentheses in it?

3 (x-1) > 4
3x -3 > 4
3x > 4 +3
3x > 7
x > 7/3 --------answer.

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Another way.

3 (x-1) > 4
(x -1) > 4/3
x -1 > 4/3
x > 4/3 +1
x > (4 +3*1)/3
x > (4+3)/3
x > 7/3