7(-12u+9)=3-4(10u-4)

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Solution for 7(-12u+9)=3-4(10u-4) equation: 



7(-12u+9)=3-4(10u-4)

We move all terms to the left:

7(-12u+9)-(3-4(10u-4))=0

We multiply parentheses

-84u-(3-4(10u-4))+63=0



We calculate terms in parentheses: -(3-4(10u-4)), so:

3-4(10u-4)

determiningTheFunctionDomain
-4(10u-4)+3

We multiply parentheses

-40u+16+3

We add all the numbers together, and all the variables

-40u+19

Back to the equation:

-(-40u+19)



We get rid of parentheses

-84u+40u-19+63=0

We add all the numbers together, and all the variables

-44u+44=0

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

-44u=-44

u=-44/-44

u=1

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