exam Maths Puzzle Numerical Ability

Find the value of x in the inequality ]x-7[ is less than or equal to 2.
NOTE- ][ are absolute value signs.
Thanks,
Pat

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exam Other Question

Given the following two points, (-4, -2) & (-1, -5), develop an equation in the slope-intercept format I am having difficulty graphing the following inequality.
3x-4y<12