40x=140-30

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Solution for 40x=140-30 equation: 



40x=140-30

We move all terms to the left:

40x-(140-30)=0

We add all the numbers together, and all the variables

40x-110=0

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

40x=110

x=110/40

x=2+3/4

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