7(a-7)-4a=-3(3-a)

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Solution for 7(a-7)-4a=-3(3-a) equation: 



7(a-7)-4a=-3(3-a)

We move all terms to the left:

7(a-7)-4a-(-3(3-a))=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-4a+7a-(-3(-1a+3))-49=0



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

-3(-1a+3)

We multiply parentheses

3a-9

Back to the equation:

-(3a-9)



We add all the numbers together, and all the variables

3a-(3a-9)-49=0

We get rid of parentheses

3a-3a+9-49=0

We add all the numbers together, and all the variables

-40!=0

There is no solution for this equation

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