2(x-1)-21=43

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Solution for 2(x-1)-21=43 equation: 



2(x-1)-21=43

We move all terms to the left:

2(x-1)-21-(43)=0

We add all the numbers together, and all the variables

2(x-1)-64=0

We multiply parentheses

2x-2-64=0

We add all the numbers together, and all the variables

2x-66=0

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

2x=66

x=66/2

x=33

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