Simplify the expression -24+2 (y-9)

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How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.