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N. (Chemistry) a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign. For example, 3x 5 = 16 is an equation. Solving this equation, we get the value of the variable x as x = 7.

Writing Equations in One Variable - YouTube YouTube Start of suggested clip End of suggested clip Or we're also looking for those words that mean the equal sign. So first right away number one theMoreOr we're also looking for those words that mean the equal sign. So first right away number one the sum of N. And seven is 15 so sum is a key word and is a key word and is is a key word sum.

For example, if n = 3, then C = 3.5(3) = 10.5. That is, the cost of cupcakes is $, as it says in the third row of the table. A proportional relationship between a quantity y and a quantity x that has a constant of proportionality k is represented by the equation y = kx.

The equation that represents a proportional relationship, or a line, is y = k x , where is the constant of proportionality. Use k = y x from either a table or a graph to find k and create the equation. Proportional relationships can be represented by tables, graphs and equations.

In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

Writing Equations to Represent Situations - Lesson 11.1 - YouTube YouTube Start of suggested clip End of suggested clip So if we expressed it as numerals or numbers 5 plus 4 here's an equation 5 plus 4 equals 9 in words.MoreSo if we expressed it as numerals or numbers 5 plus 4 here's an equation 5 plus 4 equals 9 in words. And number plus 4. So it's an equation.