5(x-1)+21=7x+6

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Solution for 5(x-1)+21=7x+6 equation: 



5(x-1)+21=7x+6

We move all terms to the left:

5(x-1)+21-(7x+6)=0

We multiply parentheses

5x-(7x+6)-5+21=0

We get rid of parentheses

5x-7x-6-5+21=0

We add all the numbers together, and all the variables

-2x+10=0

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

-2x=-10

x=-10/-2

x=+5

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