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What does substitution mean in mathematics provide an example?
If: x+y = 15 and y is 7 then by substitution of 7 into the equation x must equal 8
Is it true or false that when using substitution is it best to start by solving the second equation for x?
If it's a simultaneous equation in x and y variables then x or y may be solved before substitution.
What is Integration by substitution?
It means that you substitute one expression by another, as a step of the integration. When you do a substitution, you must not forget to also substitute the differential in the integral, for example the "dx" (if the variable integrated is "x"). You can find some examples on how to do this in the Wikipedia article on "integration by substitution".
What is an algebraic substitution?
That means that you replace something, for something else. For example, a variable for a number, or a variable for some other expression.
What is the definition of substitution property of congruence?
There is not Substitution Property of Congruence. There is, however, one for Equality, called the Substitution Property of Equality.
