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How do you solve an equation like 3x y-4?
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How do you solve three nonlinear equations in three parameters?
There isn't a universal way to do this, just like there isn't a universal way to solve nonlinear equations in one variable. A good place to start, however, would be to attempt to solve an equation for one of the variables, in terms of the other two. If you substitute that into the other equations, you will then have a system of two equations in two variables. Do this again, and you'll have a single variable equation that you'll hopefully know how to solve.
How do you solve math equations like from 2 to 5?
In a math equation, something equals something else. You haven't given any equation to work with. I'm thinking you're looking to find 'x' when 'y' equals 2, when 'y' equals 3, etc. But we need some more info to help you.
How do you solve for x with equal values method?
First, if you have two equations like, for instance .90x+2000 and .40x+3500 then you would set them equal to each other like this ( .90x+2000=.40x+3500). Then you would solve for x by simplifying the equations as far down as you can.
Why do we use equations?
We use equations to help us solve for x. Therefore there must be a equal sign for it to be an equation. For example: 3-4=x. This is a basic equation. A more complicated equation would probably be something like this: 3b+4=28. Then you would need to find b before you find x.
