Substitution Postulate

a quantity may be substituted for its equal in any expression

if equal quantities are added to equal quantities, their sums are equal

Subtraction Postulate

If equal quanities subtracted from equal quanities , the differences are equal

Multiplication Postulate

If equal quantities are mulitples by equal quantities,the products are equal

If equal quantities are divided ny nonzero equal quantities, the qoutients are equal

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Geomety-Postulates

Question	Answer
Substitution Postulate	a quantity may be substituted for its equal in any expression
Addition Postulate	if equal quantities are added to equal quantities, their sums are equal
Subtraction Postulate	If equal quanities subtracted from equal quanities , the differences are equal
Multiplication Postulate	If equal quantities are mulitples by equal quantities,the products are equal
Division Postulate	If equal quantities are divided ny nonzero equal quantities, the qoutients are equal