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Q: Explain how you an determine if the number is a solution of an equation?

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If A is a number that makes an equation true, then A is a "solution" to the equation.

Substitute the value found back into the equation, evaluate the expressions and see if the resulting equation is true.

Any number that makes an equation true is a 'solution of an equation'. it is a solution

When you combine the Kw equation with the total mass of the solution, you will get a number. If the number is above 60, it is a acid, it is below 75, it is a base and if your number is between 60 and 75, it is neutral.

A number that makes an equation true is its solution.

Solution. A solution of an equation is a number that satisfy the equation. This means that if you replace this number on the equation and check it, the equation will be true. When you solve an equation you can find some roots, but not all of them satisfy the equation. Thus always check your answers after resolving your equation, and eliminate as solution the answers that don't make the equation true or undefined.

a solution.

The 'solution'.

The solution

The 'solution'.

An algebraic equation or inequality can have a solution, an algebraic expression cannot. If substituting a number in place of a variable results in the equation or inequality being a true statement, then that number is a solution of the equation or inequality.

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