4(2-9)=5(3a-7)-1

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Solution for 4(2-9)=5(3a-7)-1 equation: 



4(2-9)=5(3a-7)-1

We move all terms to the left:

4(2-9)-(5(3a-7)-1)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(5(3a-7)-1)-28=0



We calculate terms in parentheses: -(5(3a-7)-1), so:

5(3a-7)-1

We multiply parentheses

15a-35-1

We add all the numbers together, and all the variables

15a-36

Back to the equation:

-(15a-36)



We get rid of parentheses

-15a+36-28=0

We add all the numbers together, and all the variables

-15a+8=0

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

-15a=-8

a=-8/-15

a=8/15

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