9+8u+7=10u-4

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Solution for 9+8u+7=10u-4 equation:



9+8u+7=10u-4
We move all terms to the left:
9+8u+7-(10u-4)=0
We add all the numbers together, and all the variables
8u-(10u-4)+16=0
We get rid of parentheses
8u-10u+4+16=0
We add all the numbers together, and all the variables
-2u+20=0
We move all terms containing u to the left, all other terms to the right
-2u=-20
u=-20/-2
u=+10

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