Which is an example of an algebra expression

2x+20=100

Examples:

3xy and -5xy are like terms (same variables).

3xy and -5xym are not like terms (the second term has a variable that the first doesn't).

-2m2xh and 4m2hx are like terms (same variables and exponents, just in different order).

-2m3xh and 4m2xh are not like terms (the variable m has different exponents in each term).

If there's more than one term separated by plus or minus signs, then we have an expression. For example:

5x2y – 3xy + y + 5

This expression has four terms: 5x2y, -3xy, y (or 1y), and 5.

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step-by-step explanation:

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is there any photos or whatever?