7(a-7)=2(a-4)

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Solution for 7(a-7)=2(a-4) equation: 



7(a-7)=2(a-4)

We move all terms to the left:

7(a-7)-(2(a-4))=0

We multiply parentheses

7a-(2(a-4))-49=0



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

2(a-4)

We multiply parentheses

2a-8

Back to the equation:

-(2a-8)



We get rid of parentheses

7a-2a+8-49=0

We add all the numbers together, and all the variables

5a-41=0

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

5a=41

a=41/5

a=8+1/5

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