Two Variable Word Problems 2

Two Variable Word Problems 2
  • Currently 4.0/5 Stars.
7082 views, 3 ratings - 00:08:50
Part of video series Solving Word Problems
Taught by YourMathGal
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Provides explanation of how to solve word problems using two variables.
  • How do you solve Algebra puzzles / riddles / word problems using 2 variables?
  • If a first number plus twice a second number is 23, and twice the first number plus the second number is 31, what are the two numbers?
  • How do you solve the system of equations x + 2y = 23 and 2x + y = 31?
  • If the sum of two numbers is 16 and the first number plus 2 more than 3 times the second equals 18, what are the two numbers?
  • How do you solve and check x + y = 16 and x + (3y + 2) = 18?
This video goes through some more examples of word problems / riddles in Algebra using two variables and two equations to solve the problems. You will learn how to set up equations from the problem and solve the resulting system of equations using substitution or elimination and then check your answer. This is a very good tutorial on word problems in Algebra.
  • Currently 4.0/5 Stars.
Reviewed by MathVids Staff on March 13, 2010.
Language puzzles and riddles really helped take some of the fear and befuddlement out of listening to what is for me a really great video learning experience! Thanks. BTW: Math education has improved 500% since I was a kid.
  • Currently 5.0/5 Stars.
Reviewed by jordierocks94 on March 15, 2010.
straight forward concise ...thanks
  • Currently 4.0/5 Stars.
Reviewed by lucylulu on June 12, 2010.
 
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