4u+-7u+-7u=20

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Solution for 4u+-7u+-7u=20 equation: 


Simplifying
4u + -7u + -7u = 20

Combine like terms: 4u + -7u = -3u
-3u + -7u = 20

Combine like terms: -3u + -7u = -10u
-10u = 20

Solving
-10u = 20

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Divide each side by '-10'.
u = -2

Simplifying
u = -2

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