Answer:
x = variable (a symbol, usually a letter, representing possible inputs)
4 = constant (numbers that stand alone and have a fixed value)
3 = coefficient (number multiplied by variable)
You have to watch 30 movies to earn a free movie pass.
Step-by-step explanation:
Given,
Points earned for each movie = 2 points
Current points = 40 points
Free movie pass = 100 points
Let,
x be the number of movies you have to watch.
2*number of movies + current points = 100

Subtracting 40 from both sides

Dividing both sides by 2

You have to watch 30 movies to earn a free movie pass.
Keywords: linear equation, division
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So evens would be 2, 4,6 so p of getting an even number would be 3/6=1/2= 50%