4(x-3)-7=21x-155=

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Solution for 4(x-3)-7=21x-155= equation: 



4(x-3)-7=21x-155=

We move all terms to the left:

4(x-3)-7-(21x-155)=0

We multiply parentheses

4x-(21x-155)-12-7=0

We get rid of parentheses

4x-21x+155-12-7=0

We add all the numbers together, and all the variables

-17x+136=0

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

-17x=-136

x=-136/-17

x=+8

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