equations
3x = 12?
4
What is x = 3?
f(x) = 2x, and f(3) = 6
A movie ticket costs $8. You buy some tickets and spend $32 total how many tickets did you buy?
4 tickets
x + 9 = 14?
5
What is x = 7?
f(x) = x + 5, and f(7) = 12
If you earned $10 per hour and made $50 how many hours did you work?
5 hours
2x − 6 = 10?
8
What is x = 4?
f(x) = 3x − 1, and f(4) = 11
A taxi charges a $3 base fee plus $2 per mile and the total cost is $13, how many miles did you drive?
5 miles
5x = 45?
x=9
What is x = 5?
f(x) = x², and f(5) = 25
You buy a shirt for $20 and use a coupon and the total is $15, how much would the discount be?
$5 discount
4x+3=19?
x=4
What are x = 4 and x = -4?
f(x) = x², and f(x) = 16
You split a $60 bill evenly among friends and each friend pays $12, how many people payed?
5 people