25=3(x-9)+7x+20

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Solution for 25=3(x-9)+7x+20 equation: 



25=3(x-9)+7x+20

We move all terms to the left:

25-(3(x-9)+7x+20)=0



We calculate terms in parentheses: -(3(x-9)+7x+20), so:

3(x-9)+7x+20

We add all the numbers together, and all the variables

7x+3(x-9)+20

We multiply parentheses

7x+3x-27+20

We add all the numbers together, and all the variables

10x-7

Back to the equation:

-(10x-7)



We get rid of parentheses

-10x+7+25=0

We add all the numbers together, and all the variables

-10x+32=0

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

-10x=-32

x=-32/-10

x=3+1/5

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