30+2x=20

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Solution for 30+2x=20 equation: 



30+2x=20

We move all terms to the left:

30+2x-(20)=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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