How do you set up and solve / check Algebra puzzles / riddles?
How can you check a word problem in Algebra?
How do you write an equation from a word problem?
How do you write the answer to a word problem in Algebra?
If when Beth subtracts her age from 56, she gets 31, how old is Beth?
If when Tammy subtracts her weight from 250, she gets 140, how much does Tammy weigh?
If when I multiply a number by 7 and add 13, I get 90, what is the number?
If 50 less than 3 times a number is -2, what is the number?
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This video goes through some very classic word problems in Algebra, in which you must write an equation from words and solve. All steps are shown and explained, and a check is performed for every problem.