43=7-9u(-8)

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Solution for 43=7-9u(-8) equation:



43=7-9u(-8)
We move all terms to the left:
43-(7-9u(-8))=0
We calculate terms in parentheses: -(7-9u(-8)), so:
7-9u(-8)
determiningTheFunctionDomain -9u(-8)+7
We multiply parentheses
72u+7
Back to the equation:
-(72u+7)
We get rid of parentheses
-72u-7+43=0
We add all the numbers together, and all the variables
-72u+36=0
We move all terms containing u to the left, all other terms to the right
-72u=-36
u=-36/-72
u=1/2

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