40x+9=30

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Solution for 40x+9=30 equation: 



40x+9=30

We move all terms to the left:

40x+9-(30)=0

We add all the numbers together, and all the variables

40x-21=0

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

40x=21

x=21/40

x=21/40

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