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When solving equations, we should simplify the expressions that make up the left and right sides before applying any properties of equality. Often, that ...

The specific gravity of a substance is often listed in tables instead of either mass density or weight density

More complicated equations may require using more than one property to solve it.

Adding the same number to both sides of an equation does not change its solution.

The converses of some statements are true, while the converses of other statements are false. It is interesting to note that the converse of the Pythagorean ...

Dividing both sides of an equation by the same nonzero number does not change its solution.

Multiplying both sides of an equation by the same nonzero number does not change its solution.

If we know the lengths of any two sides of a right triangle, we can find the length of the third side using the Pythagorean theorem.

Subtracting the same number from both sides of an equation does not change its solution