7x-(13+4x)=20

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Solution for 7x-(13+4x)=20 equation:



7x-(13+4x)=20
We move all terms to the left:
7x-(13+4x)-(20)=0
We add all the numbers together, and all the variables
7x-(4x+13)-20=0
We get rid of parentheses
7x-4x-13-20=0
We add all the numbers together, and all the variables
3x-33=0
We move all terms containing x to the left, all other terms to the right
3x=33
x=33/3
x=11

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