40.x-140=220

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Solution for 40.x-140=220 equation: 



40.x-140=220

We move all terms to the left:

40.x-140-(220)=0

We add all the numbers together, and all the variables

40.x-360=0

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

40.x=360

x=360/40.

x=9

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