30x+10x-20=520

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Solution for 30x+10x-20=520 equation: 



30x+10x-20=520

We move all terms to the left:

30x+10x-20-(520)=0

We add all the numbers together, and all the variables

40x-540=0

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

40x=540

x=540/40

x=13+1/2

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