How do I find x? 3(x+2+3) = x+1(x-1+x+1)

2x^2 - x -15=0

Step-by-step explanation:

3(x+2+3) = x+1(x-1+x+1)

Collect like terms

3(x+2+3) = x+1 (x+x-1+1)

3(x+5) = x+1 (2x)

3x + 15 = 2x^2 + 2x

2x^2 + 2x -3x -15

2x^2 - x - 15= 0

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

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step-by-step explanation: