8u+3-u+2u=9 please help me I really need help in this

1 answer:

4 0

8u + 3 - u + 2u = 9

(8 - 1 + 2)u + 3 = 9

9u + 3 = 9 |subtract 2 from both sides

9u = 6 |divide both sides by 9

u = 6/9

u = 2/3

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