7(a-1)-3a=5+4(2a-1)

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Solution for 7(a-1)-3a=5+4(2a-1) equation: 



7(a-1)-3a=5+4(2a-1)

We move all terms to the left:

7(a-1)-3a-(5+4(2a-1))=0

We add all the numbers together, and all the variables

-3a+7(a-1)-(5+4(2a-1))=0

We multiply parentheses

-3a+7a-(5+4(2a-1))-7=0



We calculate terms in parentheses: -(5+4(2a-1)), so:

5+4(2a-1)

determiningTheFunctionDomain
4(2a-1)+5

We multiply parentheses

8a-4+5

We add all the numbers together, and all the variables

8a+1

Back to the equation:

-(8a+1)



We add all the numbers together, and all the variables

4a-(8a+1)-7=0

We get rid of parentheses

4a-8a-1-7=0

We add all the numbers together, and all the variables

-4a-8=0

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

-4a=8

a=8/-4

a=-2

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