3-(5-4x)=21

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



3-(5-4x)=21

We move all terms to the left:

3-(5-4x)-(21)=0

We add all the numbers together, and all the variables

-(-4x+5)+3-21=0

We add all the numbers together, and all the variables

-(-4x+5)-18=0

We get rid of parentheses

4x-5-18=0

We add all the numbers together, and all the variables

4x-23=0

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

4x=23

x=23/4

x=5+3/4

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