30+40u=10u

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Solution for 30+40u=10u equation:



30+40u=10u
We move all terms to the left:
30+40u-(10u)=0
We add all the numbers together, and all the variables
30u+30=0
We move all terms containing u to the left, all other terms to the right
30u=-30
u=-30/30
u=-1

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