9(u+1)=7u+1

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



9(u+1)=7u+1
We move all terms to the left:
9(u+1)-(7u+1)=0
We multiply parentheses
9u-(7u+1)+9=0
We get rid of parentheses
9u-7u-1+9=0
We add all the numbers together, and all the variables
2u+8=0
We move all terms containing u to the left, all other terms to the right
2u=-8
u=-8/2
u=-4

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