2u+9=7

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Solution for 2u+9=7 equation: 


Simplifying
2u + 9 = 7

Reorder the terms:
9 + 2u = 7

Solving
9 + 2u = 7

Solving for variable 'u'.

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

Add '-9' to each side of the equation.
9 + -9 + 2u = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 2u = 7 + -9
2u = 7 + -9

Combine like terms: 7 + -9 = -2
2u = -2

Divide each side by '2'.
u = -1

Simplifying
u = -1

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