9=4x+7(2-7x)

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Solution for 9=4x+7(2-7x) equation: 



9=4x+7(2-7x)

We move all terms to the left:

9-(4x+7(2-7x))=0

We add all the numbers together, and all the variables

-(4x+7(-7x+2))+9=0



We calculate terms in parentheses: -(4x+7(-7x+2)), so:

4x+7(-7x+2)

We multiply parentheses

4x-49x+14

We add all the numbers together, and all the variables

-45x+14

Back to the equation:

-(-45x+14)



We get rid of parentheses

45x-14+9=0

We add all the numbers together, and all the variables

45x-5=0

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

45x=5

x=5/45

x=1/9

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