4.9=0.7x-(-4.2)

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Solution for 4.9=0.7x-(-4.2) equation: 



4.9=0.7x-(-4.2)

We move all terms to the left:

4.9-(0.7x-(-4.2))=0



We calculate terms in parentheses: -(0.7x-(-4.2)), so:

0.7x-(-4.2)

We add all the numbers together, and all the variables

0.7x+4.2

Back to the equation:

-(0.7x+4.2)



We get rid of parentheses

-0.7x-4.2+4.9=0

We add all the numbers together, and all the variables

-0.7x+0.7=0

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

-0.7x=-0.7

x=-0.7/-0.7

x=1

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