6(u+1)-9=4(u-1)+7

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Solution for 6(u+1)-9=4(u-1)+7 equation: 



6(u+1)-9=4(u-1)+7

We move all terms to the left:

6(u+1)-9-(4(u-1)+7)=0

We multiply parentheses

6u-(4(u-1)+7)+6-9=0



We calculate terms in parentheses: -(4(u-1)+7), so:

4(u-1)+7

We multiply parentheses

4u-4+7

We add all the numbers together, and all the variables

4u+3

Back to the equation:

-(4u+3)



We add all the numbers together, and all the variables

6u-(4u+3)-3=0

We get rid of parentheses

6u-4u-3-3=0

We add all the numbers together, and all the variables

2u-6=0

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

2u=6

u=6/2

u=3

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