42=10-4(x-1)

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Solution for 42=10-4(x-1) equation: 



42=10-4(x-1)

We move all terms to the left:

42-(10-4(x-1))=0



We calculate terms in parentheses: -(10-4(x-1)), so:

10-4(x-1)

determiningTheFunctionDomain
-4(x-1)+10

We multiply parentheses

-4x+4+10

We add all the numbers together, and all the variables

-4x+14

Back to the equation:

-(-4x+14)



We get rid of parentheses

4x-14+42=0

We add all the numbers together, and all the variables

4x+28=0

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

4x=-28

x=-28/4

x=-7

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