exam Maths Puzzle Numerical Ability

Solving an absolute value equation. 2x - 9 = 18

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exam Other Question

I have to solve thsse problem for X, if it is an inequality I have to express the answer in interval notation. -19<6x+5<35
_ _ Please show me the graph and the answer to this equation I get confuse with the setting up here is my situation 10y+15x=20 my answer was 4 please show me thank you