exam Maths Puzzle Numerical Ability

I have a problem I need help with please,

Nine more than four times a number is the same as one less than twice the number. find the number?

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exam Other Question

I need help solving this problem.

The relation is x=0
The Domain/Range is 3<y<5, it should read less than or equal to. Solve and graph the solution set. 6x + 6 => 5x + 9

Small straight line going into infinety.