20+30-x=30-5

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Solution for 20+30-x=30-5 equation: 



20+30-x=30-5

We move all terms to the left:

20+30-x-(30-5)=0

We add all the numbers together, and all the variables

-x+20+30-25=0

We add all the numbers together, and all the variables

-1x+25=0

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

-x=-25

x=-25/-1

x=+25

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