A) 5/2x^3-9/4x^2+7/2x-3/2
b) the ans. are not the same.
b) the ans. are not the same.
Erica purchased adult and youth tickets for a movie. She bought x adult tickets for $7 each and y youth tickets for $5. Write an
2 answers:
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Answer:
Step-by-step explanation:
Let's solve the first equation for either x or y. I'll do it for x.
Begin by subtracting 5y.
Now divide by 5.
Simplify:
Now substitute x in the second equation for this value.
Distribute;
Add 6
Combine like terms;
Divide by -10.
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Take this value of y and replace it in the first equation to find the value of x.