7(x-4)=0.8(10-5x)

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Solution for 7(x-4)=0.8(10-5x) equation: 



7(x-4)=0.8(10-5x)

We move all terms to the left:

7(x-4)-(0.8(10-5x))=0

We add all the numbers together, and all the variables

7(x-4)-(0.8(-5x+10))=0

We multiply parentheses

7x-(0.8(-5x+10))-28=0



We calculate terms in parentheses: -(0.8(-5x+10)), so:

0.8(-5x+10)

We multiply parentheses

-4x+8

Back to the equation:

-(-4x+8)



We get rid of parentheses

7x+4x-8-28=0

We add all the numbers together, and all the variables

11x-36=0

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

11x=36

x=36/11

x=3+3/11

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