-7(-19u-18)=-20-9(-15u-14)

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Solution for -7(-19u-18)=-20-9(-15u-14) equation: 



-7(-19u-18)=-20-9(-15u-14)

We move all terms to the left:

-7(-19u-18)-(-20-9(-15u-14))=0

We multiply parentheses

133u-(-20-9(-15u-14))+126=0



We calculate terms in parentheses: -(-20-9(-15u-14)), so:

-20-9(-15u-14)

determiningTheFunctionDomain
-9(-15u-14)-20

We multiply parentheses

135u+126-20

We add all the numbers together, and all the variables

135u+106

Back to the equation:

-(135u+106)



We get rid of parentheses

133u-135u-106+126=0

We add all the numbers together, and all the variables

-2u+20=0

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

-2u=-20

u=-20/-2

u=+10

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