4(2x-5)-7(12-3x)=21-4x

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Solution for 4(2x-5)-7(12-3x)=21-4x equation: 



4(2x-5)-7(12-3x)=21-4x

We move all terms to the left:

4(2x-5)-7(12-3x)-(21-4x)=0

We add all the numbers together, and all the variables

4(2x-5)-7(-3x+12)-(-4x+21)=0

We multiply parentheses

8x+21x-(-4x+21)-20-84=0

We get rid of parentheses

8x+21x+4x-21-20-84=0

We add all the numbers together, and all the variables

33x-125=0

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

33x=125

x=125/33

x=3+26/33

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