7.90=-3x+4

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Solution for 7.90=-3x+4 equation: 



7.90=-3x+4

We move all terms to the left:

7.90-(-3x+4)=0

We add all the numbers together, and all the variables

-(-3x+4)+7.9=0

We get rid of parentheses

3x-4+7.9=0

We add all the numbers together, and all the variables

3x+3.9=0

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

3x=-3.9

x=-3.9/3

x=-1+0.9/3

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