225=7(7-6x)+8

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Solution for 225=7(7-6x)+8 equation: 



225=7(7-6x)+8

We move all terms to the left:

225-(7(7-6x)+8)=0

We add all the numbers together, and all the variables

-(7(-6x+7)+8)+225=0



We calculate terms in parentheses: -(7(-6x+7)+8), so:

7(-6x+7)+8

We multiply parentheses

-42x+49+8

We add all the numbers together, and all the variables

-42x+57

Back to the equation:

-(-42x+57)



We get rid of parentheses

42x-57+225=0

We add all the numbers together, and all the variables

42x+168=0

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

42x=-168

x=-168/42

x=-4

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