7(5a-4)-1=2(7-4a)

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Solution for 7(5a-4)-1=2(7-4a) equation: 



7(5a-4)-1=2(7-4a)

We move all terms to the left:

7(5a-4)-1-(2(7-4a))=0

We add all the numbers together, and all the variables

7(5a-4)-(2(-4a+7))-1=0

We multiply parentheses

35a-(2(-4a+7))-28-1=0



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

2(-4a+7)

We multiply parentheses

-8a+14

Back to the equation:

-(-8a+14)



We add all the numbers together, and all the variables

35a-(-8a+14)-29=0

We get rid of parentheses

35a+8a-14-29=0

We add all the numbers together, and all the variables

43a-43=0

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

43a=43

a=43/43

a=1

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