2u+9=5u-6

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Solution for 2u+9=5u-6 equation:



2u+9=5u-6
We move all terms to the left:
2u+9-(5u-6)=0
We get rid of parentheses
2u-5u+6+9=0
We add all the numbers together, and all the variables
-3u+15=0
We move all terms containing u to the left, all other terms to the right
-3u=-15
u=-15/-3
u=+5

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