x-4(4x-7)=5x-(x+21)

Solution for x-4(4x-7)=5x-(x+21) equation:

x-4(4x-7)=5x-(x+21)

We move all terms to the left:

x-4(4x-7)-(5x-(x+21))=0

We multiply parentheses

x-16x-(5x-(x+21))+28=0


We calculate terms in parentheses: -(5x-(x+21)), so:

5x-(x+21)

We get rid of parentheses

5x-x-21

We add all the numbers together, and all the variables

4x-21

Back to the equation:

-(4x-21)


We add all the numbers together, and all the variables

-15x-(4x-21)+28=0

We get rid of parentheses

-15x-4x+21+28=0

We add all the numbers together, and all the variables

-19x+49=0

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

-19x=-49

x=-49/-19

x=2+11/19