(t-9)+(t+11)=

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Solution for (t-9)+(t+11)= equation: 



(t-9)+(t+11)=

We move all terms to the left:

(t-9)+(t+11)-()=0

We add all the numbers together, and all the variables

(t-9)+(t+11)=0

We get rid of parentheses

t+t-9+11=0

We add all the numbers together, and all the variables

2t+2=0

We move all terms containing t to the left, all other terms to the right

2t=-2

t=-2/2

t=-1

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