20x-10+30x=40

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Solution for 20x-10+30x=40 equation: 



20x-10+30x=40

We move all terms to the left:

20x-10+30x-(40)=0

We add all the numbers together, and all the variables

50x-50=0

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

50x=50

x=50/50

x=1

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