7. Subtract Expressions
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Remember, only like terms can be combined.
10x-11 512
Distribute (-1)
(- a)(- b)=a* b
(- a)b = - ab
a bc=a* c+b/c
Multiply
Add terms
Commutative Property of Addition
a/b=a * 3/b * 3
a/b=a * 4/b * 4
Multiply
Subtract fractions
Add terms
Write as a sum
Split into factors
Write as a difference of fractions
Calculate quotient
Subtract fractions