21-7(x=2)

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Solution for 21-7(x=2) equation: 



21-7(x=2)

We move all terms to the left:

21-7(x-(2))=0

We multiply parentheses

-7x+14+21=0

We add all the numbers together, and all the variables

-7x+35=0

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

-7x=-35

x=-35/-7

x=+5

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