45-7x=7(7-x)-4

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Solution for 45-7x=7(7-x)-4 equation: 



45-7x=7(7-x)-4

We move all terms to the left:

45-7x-(7(7-x)-4)=0

We add all the numbers together, and all the variables

-7x-(7(-1x+7)-4)+45=0



We calculate terms in parentheses: -(7(-1x+7)-4), so:

7(-1x+7)-4

We multiply parentheses

-7x+49-4

We add all the numbers together, and all the variables

-7x+45

Back to the equation:

-(-7x+45)



We get rid of parentheses

-7x+7x-45+45=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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