7-5u=-4u

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Solution for 7-5u=-4u equation:



7-5u=-4u
We move all terms to the left:
7-5u-(-4u)=0
We get rid of parentheses
-5u+4u+7=0
We add all the numbers together, and all the variables
-1u+7=0
We move all terms containing u to the left, all other terms to the right
-u=-7
u=-7/-1
u=+7

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