# Algebra Examples

Simplify .

Write as a fraction with denominator .

Multiply and .

Add and .

Since the equation can be written in the form , varies directly with and . The constant of variation, , is .

Simplify .

Write as a fraction with denominator .

Multiply and .

Add and .

Since the equation can be written in the form , varies directly with and . The constant of variation, , is .

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