7x+4(4x+7)=13(5x+7)+9

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Solution for 7x+4(4x+7)=13(5x+7)+9 equation: 



7x+4(4x+7)=13(5x+7)+9

We move all terms to the left:

7x+4(4x+7)-(13(5x+7)+9)=0

We multiply parentheses

7x+16x-(13(5x+7)+9)+28=0



We calculate terms in parentheses: -(13(5x+7)+9), so:

13(5x+7)+9

We multiply parentheses

65x+91+9

We add all the numbers together, and all the variables

65x+100

Back to the equation:

-(65x+100)



We add all the numbers together, and all the variables

23x-(65x+100)+28=0

We get rid of parentheses

23x-65x-100+28=0

We add all the numbers together, and all the variables

-42x-72=0

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

-42x=72

x=72/-42

x=-1+5/7

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