exam Maths Puzzle Numerical Ability

7x+4=3x-8-7x+1
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exam Other Question

Tickets for a play at the community theater cost $18 for an adult and $10 for a child. If 80 tickets were sold and the total receipts were $1040, how many of each type of ticket were sold? 37: x^2 + 5x + 9 = 0