0.7(a+4)=0.8(a-3)

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Solution for 0.7(a+4)=0.8(a-3) equation: 



0.7(a+4)=0.8(a-3)

We move all terms to the left:

0.7(a+4)-(0.8(a-3))=0

We multiply parentheses

0.7a-(0.8(a-3))+2.8=0



We calculate terms in parentheses: -(0.8(a-3)), so:

0.8(a-3)

We multiply parentheses

0.8a-2.4

Back to the equation:

-(0.8a-2.4)



We get rid of parentheses

0.7a-0.8a+2.4+2.8=0

We add all the numbers together, and all the variables

-0.1a+5.2=0

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

-0.1a=-5.2

a=-5.2/-0.1

a=+52

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