book Maths Puzzle Numerical Ability

four times the quantity of a number decreased by one is the same as two more than the same number.find the number?
Please help I always have problems with these.
Thanks!
Tina

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book Other Question

what is the answer to the equation 9-14x=51 find the cost per unit during a week when the total cost was $68,000, the number of units produced was $500, and the fixed costs were $8000. use the formula T=U TIMES N+F, where T