-4x+2x=30-20

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Solution for -4x+2x=30-20 equation: 



-4x+2x=30-20

We move all terms to the left:

-4x+2x-(30-20)=0

We add all the numbers together, and all the variables

-4x+2x-10=0

We add all the numbers together, and all the variables

-2x-10=0

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

-2x=10

x=10/-2

x=-5

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