20-5x=7(5-x)9

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Solution for 20-5x=7(5-x)9 equation: 



20-5x=7(5-x)9

We move all terms to the left:

20-5x-(7(5-x)9)=0

We add all the numbers together, and all the variables

-5x-(7(-1x+5)9)+20=0



We calculate terms in parentheses: -(7(-1x+5)9), so:

7(-1x+5)9

We multiply parentheses

-63x+315

Back to the equation:

-(-63x+315)



We get rid of parentheses

-5x+63x-315+20=0

We add all the numbers together, and all the variables

58x-295=0

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

58x=295

x=295/58

x=5+5/58

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