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There are no visible symbols after the second x, for example. More important, there are no equals signs and so there is nothing that could be an identity.
That would be called a "stable" or "static" population - essentially unchanging.
An algebraic expression or equation may be separated by a plus or minus sign, and it can consist of terms that are numbers or products of numbers and variables.
They are called plus and minus - no difference there!
beacuse you need to learn how to add sentences together and how to subtract or (seperate) them
How about: 0.7 plus 0.09 = 0.79
w - x + x = wand w + x - x = w are true for all values of w and x and that is why they are called identities.
w - x + x = wand w + x - x = w are true for all values of w and x and that is why they are called identities.
They are identities because they are true for ALL values of w and x.
The idea is that a regular equation is simply a statement that two quantities are the same; this statement may, or may not, be true - or it may depend on the value of the variables. For example, x + 2 = 5 is true, only if x is replaced with 3. An "identity" is an equation that is true for any value of the variables.
It is called a complex number.
That's a "mixed number".
complex
If the sum of squares of digits of a number equals to the number itself, then that number is called an aram strong number.
a plus
addend
The name for it is Mass Number of an Isotope.
In this case you want to group the terms so they have at least two terms in common. First step group and rewrite it: abc + a'bc + a'b'c' + a'b'c + ab'c' + abc' = Use the rule Identities x(y+z)=xy+xz: bc(a+a') + a'b'(c'+c) + ac'(b'+b) = Use the rule Identities x+x'=1: bc (1) + a'b'(1) + ac'(1) = Use the rule Identities x(1) = x: bc+a'b'+ac'