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You've probably already solved linear equations; you just didn't know it.Back in your early years, when you were learning addition, your teacher probably gave you worksheets to complete that had exercises like the following: , instead of what goes into the box.1st original equation 2nd original equation 3rd original equation Answer: x. Add the 1st original equation and the 3rd original equation. Multiply the 2nd original equation by 2, multiply the 3rd original equation by 5 and add the 2nd original equation to the 3rd original equation. The equilibrium quantity for the first item is 82 units and the equilibrium quantity for the second item is 181 units. Multiply the 1st equation by 7 ,add the 1st and second equations, and solve for p.
And then this is also 6 1/2 times C, so that's not gonna work out either.
What’s the first thing that comes to mind when you hear the phrase Word problems?
For each each class that she takes, she expects to spend 2 1/2 hours each week working on homework.
She expects to spend an additional 6 1/2 hours each week completing the assigned reading for all of her classes together. She has 19 hours available each week to complete homework and reading for her classes.
, or square roots, or other more-complicated expressions.
Linear equations are the simplest equations that you'll deal with.
The only difference between this and what I wrote is they just swapped the two sides of the equality which you can always do.
These other choices, let's see 6 1/2 times C, well this would imply that you're spending 6 1/2 hours per class so that's not right.
For instance: You may be instructed to "check your solutions", at least in the early stages of learning how to solve equations.
To do this "checking", you need only plug your answer into the original equation, and make sure that you end up with a true statement.