105=7(1+2x)

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Solution for 105=7(1+2x) equation: 



105=7(1+2x)

We move all terms to the left:

105-(7(1+2x))=0

We add all the numbers together, and all the variables

-(7(2x+1))+105=0



We calculate terms in parentheses: -(7(2x+1)), so:

7(2x+1)

We multiply parentheses

14x+7

Back to the equation:

-(14x+7)



We get rid of parentheses

-14x-7+105=0

We add all the numbers together, and all the variables

-14x+98=0

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

-14x=-98

x=-98/-14

x=+7

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