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Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
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Exercise 31 Page 154

Apply inverse operations to isolate x.

x=- t-r

Practice makes perfect
To solve the given literal equation for x, we will use the Properties of Equality to apply inverse operations on the equation. Remember, only like terms can be combined.
x+r/t+1=0
SubEqn

LHS-1=RHS-1

x+r/t=- 1
MultEqn

LHS * t=RHS* t

x+r=- t
SubEqn

LHS-r=RHS-r

x=- t-r
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