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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

3a-(-2a+5)-(-4(a-9))=0

We get rid of parentheses

3a+2a-(-4(a-9))-5=0



We calculate terms in parentheses: -(-4(a-9)), so:

-4(a-9)

We multiply parentheses

-4a+36

Back to the equation:

-(-4a+36)



We add all the numbers together, and all the variables

5a-(-4a+36)-5=0

We get rid of parentheses

5a+4a-36-5=0

We add all the numbers together, and all the variables

9a-41=0

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

9a=41

a=41/9

a=4+5/9

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