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# Need help solving for U.?

U - 2/3 = - 4/3 u - 3/5

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- 𝚺𝚷𝚿𝛀𝚿Lv 69 years agoFavorite Answer
u - 2/3 = - 4/3 u - 3/5

Multiply everything by 15(the GCM of 3 and 5) you get

15u -10= -20u -9

15u+20u= -9 +10

35u=1

u=1/35

- 9 years ago
Add 4/3 U and 2/3 to both sides to isolate U. 7/3 U = 1/15

Divide by 7/3, or multiply by 3/7, to get U. U= 3/105

- 9 years ago
u - 2/3 = -4/3u - 3/5

=> u + 4/3u = -3/5 + 2/3

=> 7/3 u = 1/15

=> u = 1/15 * 3/7

=> u = 7/5

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