21(x+4)=2x-21

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Solution for 21(x+4)=2x-21 equation: 



21(x+4)=2x-21

We move all terms to the left:

21(x+4)-(2x-21)=0

We multiply parentheses

21x-(2x-21)+84=0

We get rid of parentheses

21x-2x+21+84=0

We add all the numbers together, and all the variables

19x+105=0

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

19x=-105

x=-105/19

x=-5+10/19

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