40x+60=420

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Solution for 40x+60=420 equation: 



40x+60=420

We move all terms to the left:

40x+60-(420)=0

We add all the numbers together, and all the variables

40x-360=0

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

40x=360

x=360/40

x=9

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