exam Maths Puzzle Numerical Ability

solve and graph the following inequality

3x-4y<12

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exam Other Question

please help solve

factor by grouping

4+xy-2y-2x

i am not sure how you know how to pair them up
solve each of the following inequality.express your final answer using inequalities.

1) |x/6+7|<5

2) |x/8-6|>5

3) 6>-3Y-6>-27