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Dafna1 [17]
3 years ago
8

What is helpful to do when you have to use more than one unknown variable?

Mathematics
2 answers:
alekssr [168]3 years ago
7 0
Write an equation y(x)
inn [45]3 years ago
7 0

Answer:

We can solve the equation of two unknown variables for one variable in terms of second variable.

Step-by-step explanation:  

We know that, an equation with a variable can be solve easily. But in the case of two unknown variables, we can solve the equation for one variable in terms of second variable. For example:

If we have given an equation with two unknown variable x+y=4, we can solve this equation for variable y in terms of variable x or we can solve this equation for x in terms of y. Which could be written as:  

y=4-x

or

x=4-y.

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