-t=9(10-t)

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Solution for -t=9(10-t) equation:



-t=9(10-t)
We move all terms to the left:
-t-(9(10-t))=0
We add all the numbers together, and all the variables
-t-(9(-1t+10))=0
We add all the numbers together, and all the variables
-1t-(9(-1t+10))=0
We calculate terms in parentheses: -(9(-1t+10)), so:
9(-1t+10)
We multiply parentheses
-9t+90
Back to the equation:
-(-9t+90)
We get rid of parentheses
-1t+9t-90=0
We add all the numbers together, and all the variables
8t-90=0
We move all terms containing t to the left, all other terms to the right
8t=90
t=90/8
t=11+1/4

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