4+2(3-7a)=2(5-7a)

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



4+2(3-7a)=2(5-7a)

We move all terms to the left:

4+2(3-7a)-(2(5-7a))=0

We add all the numbers together, and all the variables

2(-7a+3)-(2(-7a+5))+4=0

We multiply parentheses

-14a-(2(-7a+5))+6+4=0



We calculate terms in parentheses: -(2(-7a+5)), so:

2(-7a+5)

We multiply parentheses

-14a+10

Back to the equation:

-(-14a+10)



We add all the numbers together, and all the variables

-14a-(-14a+10)+10=0

We get rid of parentheses

-14a+14a-10+10=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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