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Properties of Equality
1. ADDITION PROPERTY + =
If a = b and c = d, then __________________________________
If AB = AE, and BC = ED
then
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2. SUBTRACTION PROP
If a = b and c = d, then ___________________________________
If AC = AD and BC = ED
then
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3. MULTIPLICATION PROP Mult =
If a = b, and c exists, then ____________________________
If AC = AD
then
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4. DIVISION PROP Div =
If a = b, and c 0, then
If AC = AD, B and E are midpoints
then AB = AE = BC = ED
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5. SUBSTITUTION Subst =
If a = b, then either may replace the other in any equation.
If AC = AD AC = GD
Then AC = GD
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8. TRANSITIVE PROP =
If a = b, and b = c, then
If AC = AD, AE = GD
then AC = GD
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