7. Subtract Linear Expressions
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To find the additive inverse of a linear expression, you can multiply each term of the expression by -1.
-1 12x +1 12
Distribute -1
(- a)b = - ab
a+(- b)=a-b
Commutative Property of Addition
a/b=a * 2/b * 2
Multiply
Put minus sign in numerator
Subtract fractions
Subtract terms
a/b=.a /3./.b /3.
Write as a difference
Write as a difference of fractions
Calculate quotient
Subtract term