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

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



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

We move all terms to the left:

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

We multiply parentheses

4a-(5(a+1))-8=0



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

5(a+1)

We multiply parentheses

5a+5

Back to the equation:

-(5a+5)



We get rid of parentheses

4a-5a-5-8=0

We add all the numbers together, and all the variables

-1a-13=0

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

-a=13

a=13/-1

a=-13

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