x-7=-6-8(x-0.4)

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Solution for x-7=-6-8(x-0.4) equation: 



x-7=-6-8(x-0.4)

We move all terms to the left:

x-7-(-6-8(x-0.4))=0



We calculate terms in parentheses: -(-6-8(x-0.4)), so:

-6-8(x-0.4)

determiningTheFunctionDomain
-8(x-0.4)-6

We multiply parentheses

-8x+3.2-6

We add all the numbers together, and all the variables

-8x-2.8

Back to the equation:

-(-8x-2.8)



We get rid of parentheses

x+8x+2.8-7=0

We add all the numbers together, and all the variables

9x-4.2=0

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

9x=4.2

x=4.2/9

x=3.5/7.5

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